-24.12% is the change from 311 to 236
Calculation steps:
[( 236 - 311 ) ÷ 311] x 100 = -24.12%
Formula
Percentage change = [(236 - 311) / 311] x 100
Subtract the new number by the original number
236 - 311 = -75
-75 ÷ 311 = -0.24115755627009647
-0.24115755627009647 x 100 = -24.12%