-29.69% is the change from 512 to 360
Calculation steps:
[( 360 - 512 ) ÷ 512] x 100 = -29.69%
Formula
Percentage change = [(360 - 512) / 512] x 100
Subtract the new number by the original number
360 - 512 = -152
-152 ÷ 512 = -0.296875
-0.296875 x 100 = -29.69%