-96.28% is the change from 537 to 20
Calculation steps:
[( 20 - 537 ) ÷ 537] x 100 = -96.28%
Formula
Percentage change = [(20 - 537) / 537] x 100
Subtract the new number by the original number
20 - 537 = -517
-517 ÷ 537 = -0.962756052141527
-0.962756052141527 x 100 = -96.28%