724.24% is the change from 66 to 544
Calculation steps:
[( 544 - 66 ) ÷ 66] x 100 = 724.24%
Formula
Percentage change = [(544 - 66) / 66] x 100
Subtract the new number by the original number
544 - 66 = 478
478 ÷ 66 = 7.242424242424242
7.242424242424242 x 100 = 724.24%