44.44% is the change from 171 to 247
Calculation steps:
[( 247 - 171 ) ÷ 171] x 100 = 44.44%
Formula
Percentage change = [(247 - 171) / 171] x 100
Subtract the new number by the original number
247 - 171 = 76
76 ÷ 171 = 0.4444444444444444
0.4444444444444444 x 100 = 44.44%