66.11% is the change from 239 to 397
Calculation steps:
[( 397 - 239 ) ÷ 239] x 100 = 66.11%
Formula
Percentage change = [(397 - 239) / 239] x 100
Subtract the new number by the original number
397 - 239 = 158
158 ÷ 239 = 0.6610878661087866
0.6610878661087866 x 100 = 66.11%