-91.64% is the change from 861 to 72
Calculation steps:
[( 72 - 861 ) ÷ 861] x 100 = -91.64%
Formula
Percentage change = [(72 - 861) / 861] x 100
Subtract the new number by the original number
72 - 861 = -789
-789 ÷ 861 = -0.9163763066202091
-0.9163763066202091 x 100 = -91.64%