-52.55% is the change from 529 to 251
Calculation steps:
[( 251 - 529 ) ÷ 529] x 100 = -52.55%
Formula
Percentage change = [(251 - 529) / 529] x 100
Subtract the new number by the original number
251 - 529 = -278
-278 ÷ 529 = -0.5255198487712666
-0.5255198487712666 x 100 = -52.55%