-49.78% is the change from 231 to 116
Calculation steps:
[( 116 - 231 ) ÷ 231] x 100 = -49.78%
Formula
Percentage change = [(116 - 231) / 231] x 100
Subtract the new number by the original number
116 - 231 = -115
-115 ÷ 231 = -0.49783549783549785
-0.49783549783549785 x 100 = -49.78%