-45.29% is the change from 839 to 459
Calculation steps:
[( 459 - 839 ) ÷ 839] x 100 = -45.29%
Formula
Percentage change = [(459 - 839) / 839] x 100
Subtract the new number by the original number
459 - 839 = -380
-380 ÷ 839 = -0.45292014302741357
-0.45292014302741357 x 100 = -45.29%