-45.65% is the change from 839 to 456
Calculation steps:
[( 456 - 839 ) ÷ 839] x 100 = -45.65%
Formula
Percentage change = [(456 - 839) / 839] x 100
Subtract the new number by the original number
456 - 839 = -383
-383 ÷ 839 = -0.4564958283671037
-0.4564958283671037 x 100 = -45.65%