-19.32% is the change from 528 to 426
Calculation steps:
[( 426 - 528 ) ÷ 528] x 100 = -19.32%
Formula
Percentage change = [(426 - 528) / 528] x 100
Subtract the new number by the original number
426 - 528 = -102
-102 ÷ 528 = -0.19318181818181818
-0.19318181818181818 x 100 = -19.32%