764% is the change from 75 to 648
Calculation steps:
[( 648 - 75 ) ÷ 75] x 100 = 764%
Formula
Percentage change = [(648 - 75) / 75] x 100
Subtract the new number by the original number
648 - 75 = 573
573 ÷ 75 = 7.64
7.64 x 100 = 764%
Example