20.32% is the change from 556 to 669
Calculation steps:
[( 669 - 556 ) ÷ 556] x 100 = 20.32%
Formula
Percentage change = [(669 - 556) / 556] x 100
Subtract the new number by the original number
669 - 556 = 113
113 ÷ 556 = 0.20323741007194246
0.20323741007194246 x 100 = 20.32%