-31.4% is the change from 860 to 590
Calculation steps:
[( 590 - 860 ) ÷ 860] x 100 = -31.4%
Formula
Percentage change = [(590 - 860) / 860] x 100
Subtract the new number by the original number
590 - 860 = -270
-270 ÷ 860 = -0.313953488372093
-0.313953488372093 x 100 = -31.4%