540.98% is the change from 61 to 391
Calculation steps:
[( 391 - 61 ) ÷ 61] x 100 = 540.98%
Formula
Percentage change = [(391 - 61) / 61] x 100
Subtract the new number by the original number
391 - 61 = 330
330 ÷ 61 = 5.409836065573771
5.409836065573771 x 100 = 540.98%