-91.68% is the change from 637 to 53
Calculation steps:
[( 53 - 637 ) ÷ 637] x 100 = -91.68%
Formula
Percentage change = [(53 - 637) / 637] x 100
Subtract the new number by the original number
53 - 637 = -584
-584 ÷ 637 = -0.9167974882260597
-0.9167974882260597 x 100 = -91.68%