5.12% is the change from 820 to 862
Calculation steps:
[( 862 - 820 ) ÷ 820] x 100 = 5.12%
Formula
Percentage change = [(862 - 820) / 820] x 100
Subtract the new number by the original number
862 - 820 = 42
42 ÷ 820 = 0.05121951219512195
0.05121951219512195 x 100 = 5.12%