649% is the change from 100 to 749
Calculation steps:
[( 749 - 100 ) ÷ 100] x 100 = 649%
Formula
Percentage change = [(749 - 100) / 100] x 100
Subtract the new number by the original number
749 - 100 = 649
649 ÷ 100 = 6.49
6.49 x 100 = 649%
Example