-64.91% is the change from 872 to 306
Calculation steps:
[( 306 - 872 ) ÷ 872] x 100 = -64.91%
Formula
Percentage change = [(306 - 872) / 872] x 100
Subtract the new number by the original number
306 - 872 = -566
-566 ÷ 872 = -0.6490825688073395
-0.6490825688073395 x 100 = -64.91%