-36.23% is the change from 839 to 535
Calculation steps:
[( 535 - 839 ) ÷ 839] x 100 = -36.23%
Formula
Percentage change = [(535 - 839) / 839] x 100
Subtract the new number by the original number
535 - 839 = -304
-304 ÷ 839 = -0.36233611442193087
-0.36233611442193087 x 100 = -36.23%