-45.34% is the change from 236 to 129
Calculation steps:
[( 129 - 236 ) ÷ 236] x 100 = -45.34%
Formula
Percentage change = [(129 - 236) / 236] x 100
Subtract the new number by the original number
129 - 236 = -107
-107 ÷ 236 = -0.4533898305084746
-0.4533898305084746 x 100 = -45.34%