51.13% is the change from 397 to 600
Calculation steps:
[( 600 - 397 ) ÷ 397] x 100 = 51.13%
Formula
Percentage change = [(600 - 397) / 397] x 100
Subtract the new number by the original number
600 - 397 = 203
203 ÷ 397 = 0.5113350125944585
0.5113350125944585 x 100 = 51.13%