20.83% is the change from 677 to 818
Calculation steps:
[( 818 - 677 ) ÷ 677] x 100 = 20.83%
Formula
Percentage change = [(818 - 677) / 677] x 100
Subtract the new number by the original number
818 - 677 = 141
141 ÷ 677 = 0.20827178729689808
0.20827178729689808 x 100 = 20.83%