-25.28% is the change from 538 to 402
Calculation steps:
[( 402 - 538 ) ÷ 538] x 100 = -25.28%
Formula
Percentage change = [(402 - 538) / 538] x 100
Subtract the new number by the original number
402 - 538 = -136
-136 ÷ 538 = -0.2527881040892193
-0.2527881040892193 x 100 = -25.28%