681.82% is the change from 88 to 688
Calculation steps:
[( 688 - 88 ) ÷ 88] x 100 = 681.82%
Formula
Percentage change = [(688 - 88) / 88] x 100
Subtract the new number by the original number
688 - 88 = 600
600 ÷ 88 = 6.818181818181818
6.818181818181818 x 100 = 681.82%