8.53% is the change from 774 to 840
Calculation steps:
[( 840 - 774 ) ÷ 774] x 100 = 8.53%
Formula
Percentage change = [(840 - 774) / 774] x 100
Subtract the new number by the original number
840 - 774 = 66
66 ÷ 774 = 0.08527131782945736
0.08527131782945736 x 100 = 8.53%