43.27% is the change from 171 to 245
Calculation steps:
[( 245 - 171 ) ÷ 171] x 100 = 43.27%
Formula
Percentage change = [(245 - 171) / 171] x 100
Subtract the new number by the original number
245 - 171 = 74
74 ÷ 171 = 0.4327485380116959
0.4327485380116959 x 100 = 43.27%