-81.14% is the change from 615 to 116
Calculation steps:
[( 116 - 615 ) ÷ 615] x 100 = -81.14%
Formula
Percentage change = [(116 - 615) / 615] x 100
Subtract the new number by the original number
116 - 615 = -499
-499 ÷ 615 = -0.8113821138211382
-0.8113821138211382 x 100 = -81.14%