-90.58% is the change from 637 to 60
Calculation steps:
[( 60 - 637 ) ÷ 637] x 100 = -90.58%
Formula
Percentage change = [(60 - 637) / 637] x 100
Subtract the new number by the original number
60 - 637 = -577
-577 ÷ 637 = -0.9058084772370487
-0.9058084772370487 x 100 = -90.58%