-59.77% is the change from 855 to 344
Calculation steps:
[( 344 - 855 ) ÷ 855] x 100 = -59.77%
Formula
Percentage change = [(344 - 855) / 855] x 100
Subtract the new number by the original number
344 - 855 = -511
-511 ÷ 855 = -0.5976608187134503
-0.5976608187134503 x 100 = -59.77%