50.35% is the change from 576 to 866
Calculation steps:
[( 866 - 576 ) ÷ 576] x 100 = 50.35%
Formula
Percentage change = [(866 - 576) / 576] x 100
Subtract the new number by the original number
866 - 576 = 290
290 ÷ 576 = 0.5034722222222222
0.5034722222222222 x 100 = 50.35%