-23.79% is the change from 311 to 237
Calculation steps:
[( 237 - 311 ) ÷ 311] x 100 = -23.79%
Formula
Percentage change = [(237 - 311) / 311] x 100
Subtract the new number by the original number
237 - 311 = -74
-74 ÷ 311 = -0.2379421221864952
-0.2379421221864952 x 100 = -23.79%