850.75% is the change from 67 to 637
Calculation steps:
[( 637 - 67 ) ÷ 67] x 100 = 850.75%
Formula
Percentage change = [(637 - 67) / 67] x 100
Subtract the new number by the original number
637 - 67 = 570
570 ÷ 67 = 8.507462686567164
8.507462686567164 x 100 = 850.75%