-62.82% is the change from 858 to 319
Calculation steps:
[( 319 - 858 ) ÷ 858] x 100 = -62.82%
Formula
Percentage change = [(319 - 858) / 858] x 100
Subtract the new number by the original number
319 - 858 = -539
-539 ÷ 858 = -0.6282051282051282
-0.6282051282051282 x 100 = -62.82%