3.93% is the change from 534 to 555
Calculation steps:
[( 555 - 534 ) ÷ 534] x 100 = 3.93%
Formula
Percentage change = [(555 - 534) / 534] x 100
Subtract the new number by the original number
555 - 534 = 21
21 ÷ 534 = 0.03932584269662921
0.03932584269662921 x 100 = 3.93%