-60.6% is the change from 873 to 344
Calculation steps:
[( 344 - 873 ) ÷ 873] x 100 = -60.6%
Formula
Percentage change = [(344 - 873) / 873] x 100
Subtract the new number by the original number
344 - 873 = -529
-529 ÷ 873 = -0.6059564719358533
-0.6059564719358533 x 100 = -60.6%