-81.24% is the change from 613 to 115
Calculation steps:
[( 115 - 613 ) ÷ 613] x 100 = -81.24%
Formula
Percentage change = [(115 - 613) / 613] x 100
Subtract the new number by the original number
115 - 613 = -498
-498 ÷ 613 = -0.8123980424143556
-0.8123980424143556 x 100 = -81.24%