-9.05% is the change from 232 to 211
Calculation steps:
[( 211 - 232 ) ÷ 232] x 100 = -9.05%
Formula
Percentage change = [(211 - 232) / 232] x 100
Subtract the new number by the original number
211 - 232 = -21
-21 ÷ 232 = -0.09051724137931035
-0.09051724137931035 x 100 = -9.05%