-59.32% is the change from 858 to 349
Calculation steps:
[( 349 - 858 ) ÷ 858] x 100 = -59.32%
Formula
Percentage change = [(349 - 858) / 858] x 100
Subtract the new number by the original number
349 - 858 = -509
-509 ÷ 858 = -0.5932400932400932
-0.5932400932400932 x 100 = -59.32%