-26.29% is the change from 525 to 387
Calculation steps:
[( 387 - 525 ) ÷ 525] x 100 = -26.29%
Formula
Percentage change = [(387 - 525) / 525] x 100
Subtract the new number by the original number
387 - 525 = -138
-138 ÷ 525 = -0.26285714285714284
-0.26285714285714284 x 100 = -26.29%