57.81% is the change from 557 to 879
Calculation steps:
[( 879 - 557 ) ÷ 557] x 100 = 57.81%
Formula
Percentage change = [(879 - 557) / 557] x 100
Subtract the new number by the original number
879 - 557 = 322
322 ÷ 557 = 0.578096947935368
0.578096947935368 x 100 = 57.81%