21.34% is the change from 806 to 978
Calculation steps:
[( 978 - 806 ) ÷ 806] x 100 = 21.34%
Formula
Percentage change = [(978 - 806) / 806] x 100
Subtract the new number by the original number
978 - 806 = 172
172 ÷ 806 = 0.21339950372208435
0.21339950372208435 x 100 = 21.34%