19.94% is the change from 677 to 812
Calculation steps:
[( 812 - 677 ) ÷ 677] x 100 = 19.94%
Formula
Percentage change = [(812 - 677) / 677] x 100
Subtract the new number by the original number
812 - 677 = 135
135 ÷ 677 = 0.19940915805022155
0.19940915805022155 x 100 = 19.94%