-52.38% is the change from 525 to 250
Calculation steps:
[( 250 - 525 ) ÷ 525] x 100 = -52.38%
Formula
Percentage change = [(250 - 525) / 525] x 100
Subtract the new number by the original number
250 - 525 = -275
-275 ÷ 525 = -0.5238095238095238
-0.5238095238095238 x 100 = -52.38%