2.42% is the change from 825 to 845
Calculation steps:
[( 845 - 825 ) ÷ 825] x 100 = 2.42%
Formula
Percentage change = [(845 - 825) / 825] x 100
Subtract the new number by the original number
845 - 825 = 20
20 ÷ 825 = 0.024242424242424242
0.024242424242424242 x 100 = 2.42%