-52.19% is the change from 525 to 251
Calculation steps:
[( 251 - 525 ) ÷ 525] x 100 = -52.19%
Formula
Percentage change = [(251 - 525) / 525] x 100
Subtract the new number by the original number
251 - 525 = -274
-274 ÷ 525 = -0.5219047619047619
-0.5219047619047619 x 100 = -52.19%