-45.9% is the change from 525 to 284
Calculation steps:
[( 284 - 525 ) ÷ 525] x 100 = -45.9%
Formula
Percentage change = [(284 - 525) / 525] x 100
Subtract the new number by the original number
284 - 525 = -241
-241 ÷ 525 = -0.45904761904761904
-0.45904761904761904 x 100 = -45.9%