42.63% is the change from 577 to 823
Calculation steps:
[( 823 - 577 ) ÷ 577] x 100 = 42.63%
Formula
Percentage change = [(823 - 577) / 577] x 100
Subtract the new number by the original number
823 - 577 = 246
246 ÷ 577 = 0.42634315424610053
0.42634315424610053 x 100 = 42.63%