836.76% is the change from 68 to 637
Calculation steps:
[( 637 - 68 ) ÷ 68] x 100 = 836.76%
Formula
Percentage change = [(637 - 68) / 68] x 100
Subtract the new number by the original number
637 - 68 = 569
569 ÷ 68 = 8.367647058823529
8.367647058823529 x 100 = 836.76%