20.88% is the change from 685 to 828
Calculation steps:
[( 828 - 685 ) ÷ 685] x 100 = 20.88%
Formula
Percentage change = [(828 - 685) / 685] x 100
Subtract the new number by the original number
828 - 685 = 143
143 ÷ 685 = 0.20875912408759123
0.20875912408759123 x 100 = 20.88%