17.06% is the change from 545 to 638
Calculation steps:
[( 638 - 545 ) ÷ 545] x 100 = 17.06%
Formula
Percentage change = [(638 - 545) / 545] x 100
Subtract the new number by the original number
638 - 545 = 93
93 ÷ 545 = 0.1706422018348624
0.1706422018348624 x 100 = 17.06%