20.54% is the change from 555 to 669
Calculation steps:
[( 669 - 555 ) ÷ 555] x 100 = 20.54%
Formula
Percentage change = [(669 - 555) / 555] x 100
Subtract the new number by the original number
669 - 555 = 114
114 ÷ 555 = 0.20540540540540542
0.20540540540540542 x 100 = 20.54%