10.48% is the change from 840 to 928
Calculation steps:
[( 928 - 840 ) ÷ 840] x 100 = 10.48%
Formula
Percentage change = [(928 - 840) / 840] x 100
Subtract the new number by the original number
928 - 840 = 88
88 ÷ 840 = 0.10476190476190476
0.10476190476190476 x 100 = 10.48%