-87.6% is the change from 613 to 76
Calculation steps:
[( 76 - 613 ) ÷ 613] x 100 = -87.6%
Formula
Percentage change = [(76 - 613) / 613] x 100
Subtract the new number by the original number
76 - 613 = -537
-537 ÷ 613 = -0.8760195758564437
-0.8760195758564437 x 100 = -87.6%