-61.41% is the change from 806 to 311
Calculation steps:
[( 311 - 806 ) ÷ 806] x 100 = -61.41%
Formula
Percentage change = [(311 - 806) / 806] x 100
Subtract the new number by the original number
311 - 806 = -495
-495 ÷ 806 = -0.6141439205955335
-0.6141439205955335 x 100 = -61.41%