61.13% is the change from 247 to 398
Calculation steps:
[( 398 - 247 ) ÷ 247] x 100 = 61.13%
Formula
Percentage change = [(398 - 247) / 247] x 100
Subtract the new number by the original number
398 - 247 = 151
151 ÷ 247 = 0.611336032388664
0.611336032388664 x 100 = 61.13%