-93.56% is the change from 528 to 34
Calculation steps:
[( 34 - 528 ) ÷ 528] x 100 = -93.56%
Formula
Percentage change = [(34 - 528) / 528] x 100
Subtract the new number by the original number
34 - 528 = -494
-494 ÷ 528 = -0.9356060606060606
-0.9356060606060606 x 100 = -93.56%