16.46% is the change from 820 to 955
Calculation steps:
[( 955 - 820 ) ÷ 820] x 100 = 16.46%
Formula
Percentage change = [(955 - 820) / 820] x 100
Subtract the new number by the original number
955 - 820 = 135
135 ÷ 820 = 0.16463414634146342
0.16463414634146342 x 100 = 16.46%