824.64% is the change from 69 to 638
Calculation steps:
[( 638 - 69 ) ÷ 69] x 100 = 824.64%
Formula
Percentage change = [(638 - 69) / 69] x 100
Subtract the new number by the original number
638 - 69 = 569
569 ÷ 69 = 8.246376811594203
8.246376811594203 x 100 = 824.64%