-65.07% is the change from 879 to 307
Calculation steps:
[( 307 - 879 ) ÷ 879] x 100 = -65.07%
Formula
Percentage change = [(307 - 879) / 879] x 100
Subtract the new number by the original number
307 - 879 = -572
-572 ÷ 879 = -0.6507394766780432
-0.6507394766780432 x 100 = -65.07%