-50.85% is the change from 529 to 260
Calculation steps:
[( 260 - 529 ) ÷ 529] x 100 = -50.85%
Formula
Percentage change = [(260 - 529) / 529] x 100
Subtract the new number by the original number
260 - 529 = -269
-269 ÷ 529 = -0.5085066162570888
-0.5085066162570888 x 100 = -50.85%