21133.33% is the change from 3 to 637
Calculation steps:
[( 637 - 3 ) ÷ 3] x 100 = 21133.33%
Formula
Percentage change = [(637 - 3) / 3] x 100
Subtract the new number by the original number
637 - 3 = 634
634 ÷ 3 = 211.33333333333334
211.33333333333334 x 100 = 21133.33%