403.28% is the change from 61 to 307
Calculation steps:
[( 307 - 61 ) ÷ 61] x 100 = 403.28%
Formula
Percentage change = [(307 - 61) / 61] x 100
Subtract the new number by the original number
307 - 61 = 246
246 ÷ 61 = 4.032786885245901
4.032786885245901 x 100 = 403.28%