-59.67% is the change from 853 to 344
Calculation steps:
[( 344 - 853 ) ÷ 853] x 100 = -59.67%
Formula
Percentage change = [(344 - 853) / 853] x 100
Subtract the new number by the original number
344 - 853 = -509
-509 ÷ 853 = -0.5967174677608441
-0.5967174677608441 x 100 = -59.67%