47.95% is the change from 561 to 830
Calculation steps:
[( 830 - 561 ) ÷ 561] x 100 = 47.95%
Formula
Percentage change = [(830 - 561) / 561] x 100
Subtract the new number by the original number
830 - 561 = 269
269 ÷ 561 = 0.47950089126559714
0.47950089126559714 x 100 = 47.95%