-84.9% is the change from 861 to 130
Calculation steps:
[( 130 - 861 ) ÷ 861] x 100 = -84.9%
Formula
Percentage change = [(130 - 861) / 861] x 100
Subtract the new number by the original number
130 - 861 = -731
-731 ÷ 861 = -0.8490127758420442
-0.8490127758420442 x 100 = -84.9%