9150% is the change from 8 to 740
Calculation steps:
[( 740 - 8 ) ÷ 8] x 100 = 9150%
Formula
Percentage change = [(740 - 8) / 8] x 100
Subtract the new number by the original number
740 - 8 = 732
732 ÷ 8 = 91.5
91.5 x 100 = 9150%
Example