656.57% is the change from 99 to 749
Calculation steps:
[( 749 - 99 ) ÷ 99] x 100 = 656.57%
Formula
Percentage change = [(749 - 99) / 99] x 100
Subtract the new number by the original number
749 - 99 = 650
650 ÷ 99 = 6.565656565656566
6.565656565656566 x 100 = 656.57%