-25.4% is the change from 311 to 232
Calculation steps:
[( 232 - 311 ) ÷ 311] x 100 = -25.4%
Formula
Percentage change = [(232 - 311) / 311] x 100
Subtract the new number by the original number
232 - 311 = -79
-79 ÷ 311 = -0.2540192926045016
-0.2540192926045016 x 100 = -25.4%