611.48% is the change from 61 to 434
Calculation steps:
[( 434 - 61 ) ÷ 61] x 100 = 611.48%
Formula
Percentage change = [(434 - 61) / 61] x 100
Subtract the new number by the original number
434 - 61 = 373
373 ÷ 61 = 6.114754098360656
6.114754098360656 x 100 = 611.48%