47.76% is the change from 557 to 823
Calculation steps:
[( 823 - 557 ) ÷ 557] x 100 = 47.76%
Formula
Percentage change = [(823 - 557) / 557] x 100
Subtract the new number by the original number
823 - 557 = 266
266 ÷ 557 = 0.47755834829443444
0.47755834829443444 x 100 = 47.76%