51.64% is the change from 397 to 602
Calculation steps:
[( 602 - 397 ) ÷ 397] x 100 = 51.64%
Formula
Percentage change = [(602 - 397) / 397] x 100
Subtract the new number by the original number
602 - 397 = 205
205 ÷ 397 = 0.5163727959697733
0.5163727959697733 x 100 = 51.64%