-68.45% is the change from 859 to 271
Calculation steps:
[( 271 - 859 ) ÷ 859] x 100 = -68.45%
Formula
Percentage change = [(271 - 859) / 859] x 100
Subtract the new number by the original number
271 - 859 = -588
-588 ÷ 859 = -0.6845168800931315
-0.6845168800931315 x 100 = -68.45%