-40.97% is the change from 537 to 317
Calculation steps:
[( 317 - 537 ) ÷ 537] x 100 = -40.97%
Formula
Percentage change = [(317 - 537) / 537] x 100
Subtract the new number by the original number
317 - 537 = -220
-220 ÷ 537 = -0.409683426443203
-0.409683426443203 x 100 = -40.97%