12.98% is the change from 840 to 949
Calculation steps:
[( 949 - 840 ) ÷ 840] x 100 = 12.98%
Formula
Percentage change = [(949 - 840) / 840] x 100
Subtract the new number by the original number
949 - 840 = 109
109 ÷ 840 = 0.12976190476190477
0.12976190476190477 x 100 = 12.98%