-10.55% is the change from 749 to 670
Calculation steps:
[( 670 - 749 ) ÷ 749] x 100 = -10.55%
Formula
Percentage change = [(670 - 749) / 749] x 100
Subtract the new number by the original number
670 - 749 = -79
-79 ÷ 749 = -0.1054739652870494
-0.1054739652870494 x 100 = -10.55%