-11.43% is the change from 840 to 744
Calculation steps:
[( 744 - 840 ) ÷ 840] x 100 = -11.43%
Formula
Percentage change = [(744 - 840) / 840] x 100
Subtract the new number by the original number
744 - 840 = -96
-96 ÷ 840 = -0.11428571428571428
-0.11428571428571428 x 100 = -11.43%