1.3% is the change from 538 to 545
Calculation steps:
[( 545 - 538 ) ÷ 538] x 100 = 1.3%
Formula
Percentage change = [(545 - 538) / 538] x 100
Subtract the new number by the original number
545 - 538 = 7
7 ÷ 538 = 0.013011152416356878
0.013011152416356878 x 100 = 1.3%