658.33% is the change from 84 to 637
Calculation steps:
[( 637 - 84 ) ÷ 84] x 100 = 658.33%
Formula
Percentage change = [(637 - 84) / 84] x 100
Subtract the new number by the original number
637 - 84 = 553
553 ÷ 84 = 6.583333333333333
6.583333333333333 x 100 = 658.33%