-34.78% is the change from 785 to 512
Calculation steps:
[( 512 - 785 ) ÷ 785] x 100 = -34.78%
Formula
Percentage change = [(512 - 785) / 785] x 100
Subtract the new number by the original number
512 - 785 = -273
-273 ÷ 785 = -0.34777070063694265
-0.34777070063694265 x 100 = -34.78%