-46.04% is the change from 847 to 457
Calculation steps:
[( 457 - 847 ) ÷ 847] x 100 = -46.04%
Formula
Percentage change = [(457 - 847) / 847] x 100
Subtract the new number by the original number
457 - 847 = -390
-390 ÷ 847 = -0.4604486422668241
-0.4604486422668241 x 100 = -46.04%