51.39% is the change from 397 to 601
Calculation steps:
[( 601 - 397 ) ÷ 397] x 100 = 51.39%
Formula
Percentage change = [(601 - 397) / 397] x 100
Subtract the new number by the original number
601 - 397 = 204
204 ÷ 397 = 0.5138539042821159
0.5138539042821159 x 100 = 51.39%