-64.51% is the change from 865 to 307
Calculation steps:
[( 307 - 865 ) ÷ 865] x 100 = -64.51%
Formula
Percentage change = [(307 - 865) / 865] x 100
Subtract the new number by the original number
307 - 865 = -558
-558 ÷ 865 = -0.6450867052023121
-0.6450867052023121 x 100 = -64.51%