801.64% is the change from 61 to 550
Calculation steps:
[( 550 - 61 ) ÷ 61] x 100 = 801.64%
Formula
Percentage change = [(550 - 61) / 61] x 100
Subtract the new number by the original number
550 - 61 = 489
489 ÷ 61 = 8.01639344262295
8.01639344262295 x 100 = 801.64%