-69.94% is the change from 529 to 159
Calculation steps:
[( 159 - 529 ) ÷ 529] x 100 = -69.94%
Formula
Percentage change = [(159 - 529) / 529] x 100
Subtract the new number by the original number
159 - 529 = -370
-370 ÷ 529 = -0.6994328922495274
-0.6994328922495274 x 100 = -69.94%