47.16% is the change from 564 to 830
Calculation steps:
[( 830 - 564 ) ÷ 564] x 100 = 47.16%
Formula
Percentage change = [(830 - 564) / 564] x 100
Subtract the new number by the original number
830 - 564 = 266
266 ÷ 564 = 0.4716312056737589
0.4716312056737589 x 100 = 47.16%