-27.33% is the change from 311 to 226
Calculation steps:
[( 226 - 311 ) ÷ 311] x 100 = -27.33%
Formula
Percentage change = [(226 - 311) / 311] x 100
Subtract the new number by the original number
226 - 311 = -85
-85 ÷ 311 = -0.2733118971061093
-0.2733118971061093 x 100 = -27.33%