-2.23% is the change from 538 to 526
Calculation steps:
[( 526 - 538 ) ÷ 538] x 100 = -2.23%
Formula
Percentage change = [(526 - 538) / 538] x 100
Subtract the new number by the original number
526 - 538 = -12
-12 ÷ 538 = -0.022304832713754646
-0.022304832713754646 x 100 = -2.23%