-64.62% is the change from 865 to 306
Calculation steps:
[( 306 - 865 ) ÷ 865] x 100 = -64.62%
Formula
Percentage change = [(306 - 865) / 865] x 100
Subtract the new number by the original number
306 - 865 = -559
-559 ÷ 865 = -0.6462427745664739
-0.6462427745664739 x 100 = -64.62%