Your numbers will change daily as your stats are shown from a 30 day perspective.
Your earnings will fluctuate daily, but your balance will consistently go up. Your balance will only go down once you have cashed out after you earn $100.
In the upper right-hand corner, you can see your stats from different time periods.
Please note it may take between 24 to 48 hours for your full earnings from both orders and clicks to come through. At the top of your dashboard you will see a note on when your analytics numbers were last updated, please reference that to gauge when your earnings were last brought up to date.