-16.1% is the change from 236 to 198
Calculation steps:
[( 198 - 236 ) ÷ 236] x 100 = -16.1%
Formula
Percentage change = [(198 - 236) / 236] x 100
Subtract the new number by the original number
198 - 236 = -38
-38 ÷ 236 = -0.16101694915254236
-0.16101694915254236 x 100 = -16.1%