37.61% is the change from 226 to 311
Calculation steps:
[( 311 - 226 ) ÷ 226] x 100 = 37.61%
Formula
Percentage change = [(311 - 226) / 226] x 100
Subtract the new number by the original number
311 - 226 = 85
85 ÷ 226 = 0.37610619469026546
0.37610619469026546 x 100 = 37.61%