2.6% is the change from 807 to 828
Calculation steps:
[( 828 - 807 ) ÷ 807] x 100 = 2.6%
Formula
Percentage change = [(828 - 807) / 807] x 100
Subtract the new number by the original number
828 - 807 = 21
21 ÷ 807 = 0.026022304832713755
0.026022304832713755 x 100 = 2.6%