736.71% is the change from 79 to 661
Calculation steps:
[( 661 - 79 ) ÷ 79] x 100 = 736.71%
Formula
Percentage change = [(661 - 79) / 79] x 100
Subtract the new number by the original number
661 - 79 = 582
582 ÷ 79 = 7.367088607594937
7.367088607594937 x 100 = 736.71%