825% is the change from 72 to 666
Calculation steps:
[( 666 - 72 ) ÷ 72] x 100 = 825%
Formula
Percentage change = [(666 - 72) / 72] x 100
Subtract the new number by the original number
666 - 72 = 594
594 ÷ 72 = 8.25
8.25 x 100 = 825%
Example