14.93% is the change from 556 to 639
Calculation steps:
[( 639 - 556 ) ÷ 556] x 100 = 14.93%
Formula
Percentage change = [(639 - 556) / 556] x 100
Subtract the new number by the original number
639 - 556 = 83
83 ÷ 556 = 0.14928057553956833
0.14928057553956833 x 100 = 14.93%