21.8% is the change from 555 to 676
Calculation steps:
[( 676 - 555 ) ÷ 555] x 100 = 21.8%
Formula
Percentage change = [(676 - 555) / 555] x 100
Subtract the new number by the original number
676 - 555 = 121
121 ÷ 555 = 0.218018018018018
0.218018018018018 x 100 = 21.8%
Example