19.82% is the change from 555 to 665
Calculation steps:
[( 665 - 555 ) ÷ 555] x 100 = 19.82%
Formula
Percentage change = [(665 - 555) / 555] x 100
Subtract the new number by the original number
665 - 555 = 110
110 ÷ 555 = 0.1981981981981982
0.1981981981981982 x 100 = 19.82%