-2.42% is the change from 538 to 525
Calculation steps:
[( 525 - 538 ) ÷ 538] x 100 = -2.42%
Formula
Percentage change = [(525 - 538) / 538] x 100
Subtract the new number by the original number
525 - 538 = -13
-13 ÷ 538 = -0.024163568773234202
-0.024163568773234202 x 100 = -2.42%