712.24% is the change from 49 to 398
Calculation steps:
[( 398 - 49 ) ÷ 49] x 100 = 712.24%
Formula
Percentage change = [(398 - 49) / 49] x 100
Subtract the new number by the original number
398 - 49 = 349
349 ÷ 49 = 7.122448979591836
7.122448979591836 x 100 = 712.24%