2.2% is the change from 546 to 558
Calculation steps:
[( 558 - 546 ) ÷ 546] x 100 = 2.2%
Formula
Percentage change = [(558 - 546) / 546] x 100
Subtract the new number by the original number
558 - 546 = 12
12 ÷ 546 = 0.02197802197802198
0.02197802197802198 x 100 = 2.2%