-8.15% is the change from 233 to 214
Calculation steps:
[( 214 - 233 ) ÷ 233] x 100 = -8.15%
Formula
Percentage change = [(214 - 233) / 233] x 100
Subtract the new number by the original number
214 - 233 = -19
-19 ÷ 233 = -0.0815450643776824
-0.0815450643776824 x 100 = -8.15%