900% is the change from 74 to 740
Calculation steps:
[( 740 - 74 ) ÷ 74] x 100 = 900%
Formula
Percentage change = [(740 - 74) / 74] x 100
Subtract the new number by the original number
740 - 74 = 666
666 ÷ 74 = 9
9 x 100 = 900%
Example