-49.5% is the change from 303 to 153
Calculation steps:
[( 153 - 303 ) ÷ 303] x 100 = -49.5%
Formula
Percentage change = [(153 - 303) / 303] x 100
Subtract the new number by the original number
153 - 303 = -150
-150 ÷ 303 = -0.49504950495049505
-0.49504950495049505 x 100 = -49.5%