-51.27% is the change from 236 to 115
Calculation steps:
[( 115 - 236 ) ÷ 236] x 100 = -51.27%
Formula
Percentage change = [(115 - 236) / 236] x 100
Subtract the new number by the original number
115 - 236 = -121
-121 ÷ 236 = -0.5127118644067796
-0.5127118644067796 x 100 = -51.27%