6.95% is the change from 820 to 877
Calculation steps:
[( 877 - 820 ) ÷ 820] x 100 = 6.95%
Formula
Percentage change = [(877 - 820) / 820] x 100
Subtract the new number by the original number
877 - 820 = 57
57 ÷ 820 = 0.06951219512195123
0.06951219512195123 x 100 = 6.95%