-61.46% is the change from 807 to 311
Calculation steps:
[( 311 - 807 ) ÷ 807] x 100 = -61.46%
Formula
Percentage change = [(311 - 807) / 807] x 100
Subtract the new number by the original number
311 - 807 = -496
-496 ÷ 807 = -0.6146220570012392
-0.6146220570012392 x 100 = -61.46%