-20.34% is the change from 236 to 188
Calculation steps:
[( 188 - 236 ) ÷ 236] x 100 = -20.34%
Formula
Percentage change = [(188 - 236) / 236] x 100
Subtract the new number by the original number
188 - 236 = -48
-48 ÷ 236 = -0.2033898305084746
-0.2033898305084746 x 100 = -20.34%