57.91% is the change from 556 to 878
Calculation steps:
[( 878 - 556 ) ÷ 556] x 100 = 57.91%
Formula
Percentage change = [(878 - 556) / 556] x 100
Subtract the new number by the original number
878 - 556 = 322
322 ÷ 556 = 0.579136690647482
0.579136690647482 x 100 = 57.91%