24.08% is the change from 677 to 840
Calculation steps:
[( 840 - 677 ) ÷ 677] x 100 = 24.08%
Formula
Percentage change = [(840 - 677) / 677] x 100
Subtract the new number by the original number
840 - 677 = 163
163 ÷ 677 = 0.24076809453471196
0.24076809453471196 x 100 = 24.08%