-36% is the change from 525 to 336
Calculation steps:
[( 336 - 525 ) ÷ 525] x 100 = -36%
Formula
Percentage change = [(336 - 525) / 525] x 100
Subtract the new number by the original number
336 - 525 = -189
-189 ÷ 525 = -0.36
-0.36 x 100 = -36%
Example