-84.93% is the change from 637 to 96
Calculation steps:
[( 96 - 637 ) ÷ 637] x 100 = -84.93%
Formula
Percentage change = [(96 - 637) / 637] x 100
Subtract the new number by the original number
96 - 637 = -541
-541 ÷ 637 = -0.8492935635792779
-0.8492935635792779 x 100 = -84.93%