-45.77% is the change from 839 to 455
Calculation steps:
[( 455 - 839 ) ÷ 839] x 100 = -45.77%
Formula
Percentage change = [(455 - 839) / 839] x 100
Subtract the new number by the original number
455 - 839 = -384
-384 ÷ 839 = -0.4576877234803337
-0.4576877234803337 x 100 = -45.77%