-68.06% is the change from 839 to 268
Calculation steps:
[( 268 - 839 ) ÷ 839] x 100 = -68.06%
Formula
Percentage change = [(268 - 839) / 839] x 100
Subtract the new number by the original number
268 - 839 = -571
-571 ÷ 839 = -0.6805721096543504
-0.6805721096543504 x 100 = -68.06%