-1.86% is the change from 538 to 528
Calculation steps:
[( 528 - 538 ) ÷ 538] x 100 = -1.86%
Formula
Percentage change = [(528 - 538) / 538] x 100
Subtract the new number by the original number
528 - 538 = -10
-10 ÷ 538 = -0.01858736059479554
-0.01858736059479554 x 100 = -1.86%