-62.34% is the change from 839 to 316
Calculation steps:
[( 316 - 839 ) ÷ 839] x 100 = -62.34%
Formula
Percentage change = [(316 - 839) / 839] x 100
Subtract the new number by the original number
316 - 839 = -523
-523 ÷ 839 = -0.6233611442193087
-0.6233611442193087 x 100 = -62.34%