21.98% is the change from 555 to 677
Calculation steps:
[( 677 - 555 ) ÷ 555] x 100 = 21.98%
Formula
Percentage change = [(677 - 555) / 555] x 100
Subtract the new number by the original number
677 - 555 = 122
122 ÷ 555 = 0.21981981981981982
0.21981981981981982 x 100 = 21.98%