20.78% is the change from 717 to 866
Calculation steps:
[( 866 - 717 ) ÷ 717] x 100 = 20.78%
Formula
Percentage change = [(866 - 717) / 717] x 100
Subtract the new number by the original number
866 - 717 = 149
149 ÷ 717 = 0.20781032078103207
0.20781032078103207 x 100 = 20.78%