-23.95% is the change from 526 to 400
Calculation steps:
[( 400 - 526 ) ÷ 526] x 100 = -23.95%
Formula
Percentage change = [(400 - 526) / 526] x 100
Subtract the new number by the original number
400 - 526 = -126
-126 ÷ 526 = -0.23954372623574144
-0.23954372623574144 x 100 = -23.95%