26.03% is the change from 657 to 828
Calculation steps:
[( 828 - 657 ) ÷ 657] x 100 = 26.03%
Formula
Percentage change = [(828 - 657) / 657] x 100
Subtract the new number by the original number
828 - 657 = 171
171 ÷ 657 = 0.2602739726027397
0.2602739726027397 x 100 = 26.03%