64.33% is the change from 171 to 281
Calculation steps:
[( 281 - 171 ) ÷ 171] x 100 = 64.33%
Formula
Percentage change = [(281 - 171) / 171] x 100
Subtract the new number by the original number
281 - 171 = 110
110 ÷ 171 = 0.6432748538011696
0.6432748538011696 x 100 = 64.33%