18.17% is the change from 820 to 969
Calculation steps:
[( 969 - 820 ) ÷ 820] x 100 = 18.17%
Formula
Percentage change = [(969 - 820) / 820] x 100
Subtract the new number by the original number
969 - 820 = 149
149 ÷ 820 = 0.18170731707317073
0.18170731707317073 x 100 = 18.17%