-68.65% is the change from 839 to 263
Calculation steps:
[( 263 - 839 ) ÷ 839] x 100 = -68.65%
Formula
Percentage change = [(263 - 839) / 839] x 100
Subtract the new number by the original number
263 - 839 = -576
-576 ÷ 839 = -0.6865315852205006
-0.6865315852205006 x 100 = -68.65%