-62.34% is the change from 847 to 319
Calculation steps:
[( 319 - 847 ) ÷ 847] x 100 = -62.34%
Formula
Percentage change = [(319 - 847) / 847] x 100
Subtract the new number by the original number
319 - 847 = -528
-528 ÷ 847 = -0.6233766233766234
-0.6233766233766234 x 100 = -62.34%