-36.63% is the change from 808 to 512
Calculation steps:
[( 512 - 808 ) ÷ 808] x 100 = -36.63%
Formula
Percentage change = [(512 - 808) / 808] x 100
Subtract the new number by the original number
512 - 808 = -296
-296 ÷ 808 = -0.36633663366336633
-0.36633663366336633 x 100 = -36.63%