12.38% is the change from 840 to 944
Calculation steps:
[( 944 - 840 ) ÷ 840] x 100 = 12.38%
Formula
Percentage change = [(944 - 840) / 840] x 100
Subtract the new number by the original number
944 - 840 = 104
104 ÷ 840 = 0.12380952380952381
0.12380952380952381 x 100 = 12.38%