-13.3% is the change from 233 to 202
Calculation steps:
[( 202 - 233 ) ÷ 233] x 100 = -13.3%
Formula
Percentage change = [(202 - 233) / 233] x 100
Subtract the new number by the original number
202 - 233 = -31
-31 ÷ 233 = -0.13304721030042918
-0.13304721030042918 x 100 = -13.3%