-25.08% is the change from 311 to 233
Calculation steps:
[( 233 - 311 ) ÷ 311] x 100 = -25.08%
Formula
Percentage change = [(233 - 311) / 311] x 100
Subtract the new number by the original number
233 - 311 = -78
-78 ÷ 311 = -0.2508038585209003
-0.2508038585209003 x 100 = -25.08%