50.9% is the change from 556 to 839
Calculation steps:
[( 839 - 556 ) ÷ 556] x 100 = 50.9%
Formula
Percentage change = [(839 - 556) / 556] x 100
Subtract the new number by the original number
839 - 556 = 283
283 ÷ 556 = 0.5089928057553957
0.5089928057553957 x 100 = 50.9%