-9.87% is the change from 233 to 210
Calculation steps:
[( 210 - 233 ) ÷ 233] x 100 = -9.87%
Formula
Percentage change = [(210 - 233) / 233] x 100
Subtract the new number by the original number
210 - 233 = -23
-23 ÷ 233 = -0.09871244635193133
-0.09871244635193133 x 100 = -9.87%