-18.48% is the change from 525 to 428
Calculation steps:
[( 428 - 525 ) ÷ 525] x 100 = -18.48%
Formula
Percentage change = [(428 - 525) / 525] x 100
Subtract the new number by the original number
428 - 525 = -97
-97 ÷ 525 = -0.18476190476190477
-0.18476190476190477 x 100 = -18.48%