-52.07% is the change from 847 to 406
Calculation steps:
[( 406 - 847 ) ÷ 847] x 100 = -52.07%
Formula
Percentage change = [(406 - 847) / 847] x 100
Subtract the new number by the original number
406 - 847 = -441
-441 ÷ 847 = -0.5206611570247934
-0.5206611570247934 x 100 = -52.07%