15.98% is the change from 820 to 951
Calculation steps:
[( 951 - 820 ) ÷ 820] x 100 = 15.98%
Formula
Percentage change = [(951 - 820) / 820] x 100
Subtract the new number by the original number
951 - 820 = 131
131 ÷ 820 = 0.1597560975609756
0.1597560975609756 x 100 = 15.98%