-35.03% is the change from 788 to 512
Calculation steps:
[( 512 - 788 ) ÷ 788] x 100 = -35.03%
Formula
Percentage change = [(512 - 788) / 788] x 100
Subtract the new number by the original number
512 - 788 = -276
-276 ÷ 788 = -0.350253807106599
-0.350253807106599 x 100 = -35.03%