-12.5% is the change from 856 to 749
Calculation steps:
[( 749 - 856 ) ÷ 856] x 100 = -12.5%
Formula
Percentage change = [(749 - 856) / 856] x 100
Subtract the new number by the original number
749 - 856 = -107
-107 ÷ 856 = -0.125
-0.125 x 100 = -12.5%