-97.21% is the change from 860 to 24
Calculation steps:
[( 24 - 860 ) ÷ 860] x 100 = -97.21%
Formula
Percentage change = [(24 - 860) / 860] x 100
Subtract the new number by the original number
24 - 860 = -836
-836 ÷ 860 = -0.9720930232558139
-0.9720930232558139 x 100 = -97.21%