-19.39% is the change from 526 to 424
Calculation steps:
[( 424 - 526 ) ÷ 526] x 100 = -19.39%
Formula
Percentage change = [(424 - 526) / 526] x 100
Subtract the new number by the original number
424 - 526 = -102
-102 ÷ 526 = -0.19391634980988592
-0.19391634980988592 x 100 = -19.39%