-19.58% is the change from 526 to 423
Calculation steps:
[( 423 - 526 ) ÷ 526] x 100 = -19.58%
Formula
Percentage change = [(423 - 526) / 526] x 100
Subtract the new number by the original number
423 - 526 = -103
-103 ÷ 526 = -0.1958174904942966
-0.1958174904942966 x 100 = -19.58%