20.52% is the change from 687 to 828
Calculation steps:
[( 828 - 687 ) ÷ 687] x 100 = 20.52%
Formula
Percentage change = [(828 - 687) / 687] x 100
Subtract the new number by the original number
828 - 687 = 141
141 ÷ 687 = 0.2052401746724891
0.2052401746724891 x 100 = 20.52%