-50.77% is the change from 847 to 417
Calculation steps:
[( 417 - 847 ) ÷ 847] x 100 = -50.77%
Formula
Percentage change = [(417 - 847) / 847] x 100
Subtract the new number by the original number
417 - 847 = -430
-430 ÷ 847 = -0.5076741440377804
-0.5076741440377804 x 100 = -50.77%