-63.58% is the change from 854 to 311
Calculation steps:
[( 311 - 854 ) ÷ 854] x 100 = -63.58%
Formula
Percentage change = [(311 - 854) / 854] x 100
Subtract the new number by the original number
311 - 854 = -543
-543 ÷ 854 = -0.6358313817330211
-0.6358313817330211 x 100 = -63.58%