674.68% is the change from 79 to 612
Calculation steps:
[( 612 - 79 ) ÷ 79] x 100 = 674.68%
Formula
Percentage change = [(612 - 79) / 79] x 100
Subtract the new number by the original number
612 - 79 = 533
533 ÷ 79 = 6.746835443037975
6.746835443037975 x 100 = 674.68%