-20.17% is the change from 233 to 186
Calculation steps:
[( 186 - 233 ) ÷ 233] x 100 = -20.17%
Formula
Percentage change = [(186 - 233) / 233] x 100
Subtract the new number by the original number
186 - 233 = -47
-47 ÷ 233 = -0.2017167381974249
-0.2017167381974249 x 100 = -20.17%