-25% is the change from 524 to 393
Calculation steps:
[( 393 - 524 ) ÷ 524] x 100 = -25%
Formula
Percentage change = [(393 - 524) / 524] x 100
Subtract the new number by the original number
393 - 524 = -131
-131 ÷ 524 = -0.25
-0.25 x 100 = -25%
Example