716.46% is the change from 79 to 645
Calculation steps:
[( 645 - 79 ) ÷ 79] x 100 = 716.46%
Formula
Percentage change = [(645 - 79) / 79] x 100
Subtract the new number by the original number
645 - 79 = 566
566 ÷ 79 = 7.1645569620253164
7.1645569620253164 x 100 = 716.46%