20.59% is the change from 811 to 978
Calculation steps:
[( 978 - 811 ) ÷ 811] x 100 = 20.59%
Formula
Percentage change = [(978 - 811) / 811] x 100
Subtract the new number by the original number
978 - 811 = 167
167 ÷ 811 = 0.2059186189889026
0.2059186189889026 x 100 = 20.59%