-87.44% is the change from 613 to 77
Calculation steps:
[( 77 - 613 ) ÷ 613] x 100 = -87.44%
Formula
Percentage change = [(77 - 613) / 613] x 100
Subtract the new number by the original number
77 - 613 = -536
-536 ÷ 613 = -0.8743882544861338
-0.8743882544861338 x 100 = -87.44%