31.21% is the change from 173 to 227
Calculation steps:
[( 227 - 173 ) ÷ 173] x 100 = 31.21%
Formula
Percentage change = [(227 - 173) / 173] x 100
Subtract the new number by the original number
227 - 173 = 54
54 ÷ 173 = 0.31213872832369943
0.31213872832369943 x 100 = 31.21%