670.71% is the change from 99 to 763
Calculation steps:
[( 763 - 99 ) ÷ 99] x 100 = 670.71%
Formula
Percentage change = [(763 - 99) / 99] x 100
Subtract the new number by the original number
763 - 99 = 664
664 ÷ 99 = 6.707070707070707
6.707070707070707 x 100 = 670.71%