-13.64% is the change from 997 to 861
Calculation steps:
[( 861 - 997 ) ÷ 997] x 100 = -13.64%
Formula
Percentage change = [(861 - 997) / 997] x 100
Subtract the new number by the original number
861 - 997 = -136
-136 ÷ 997 = -0.13640922768304914
-0.13640922768304914 x 100 = -13.64%