57.73% is the change from 556 to 877
Calculation steps:
[( 877 - 556 ) ÷ 556] x 100 = 57.73%
Formula
Percentage change = [(877 - 556) / 556] x 100
Subtract the new number by the original number
877 - 556 = 321
321 ÷ 556 = 0.5773381294964028
0.5773381294964028 x 100 = 57.73%