35.24% is the change from 227 to 307
Calculation steps:
[( 307 - 227 ) ÷ 227] x 100 = 35.24%
Formula
Percentage change = [(307 - 227) / 227] x 100
Subtract the new number by the original number
307 - 227 = 80
80 ÷ 227 = 0.3524229074889868
0.3524229074889868 x 100 = 35.24%