-58.28% is the change from 839 to 350
Calculation steps:
[( 350 - 839 ) ÷ 839] x 100 = -58.28%
Formula
Percentage change = [(350 - 839) / 839] x 100
Subtract the new number by the original number
350 - 839 = -489
-489 ÷ 839 = -0.5828367103694875
-0.5828367103694875 x 100 = -58.28%