21.12% is the change from 554 to 671
Calculation steps:
[( 671 - 554 ) ÷ 554] x 100 = 21.12%
Formula
Percentage change = [(671 - 554) / 554] x 100
Subtract the new number by the original number
671 - 554 = 117
117 ÷ 554 = 0.2111913357400722
0.2111913357400722 x 100 = 21.12%