901.64% is the change from 61 to 611
Calculation steps:
[( 611 - 61 ) ÷ 61] x 100 = 901.64%
Formula
Percentage change = [(611 - 61) / 61] x 100
Subtract the new number by the original number
611 - 61 = 550
550 ÷ 61 = 9.01639344262295
9.01639344262295 x 100 = 901.64%