-75.8% is the change from 529 to 128
Calculation steps:
[( 128 - 529 ) ÷ 529] x 100 = -75.8%
Formula
Percentage change = [(128 - 529) / 529] x 100
Subtract the new number by the original number
128 - 529 = -401
-401 ÷ 529 = -0.7580340264650284
-0.7580340264650284 x 100 = -75.8%