21.58% is the change from 556 to 676
Calculation steps:
[( 676 - 556 ) ÷ 556] x 100 = 21.58%
Formula
Percentage change = [(676 - 556) / 556] x 100
Subtract the new number by the original number
676 - 556 = 120
120 ÷ 556 = 0.2158273381294964
0.2158273381294964 x 100 = 21.58%