-11.21% is the change from 972 to 863
Calculation steps:
[( 863 - 972 ) ÷ 972] x 100 = -11.21%
Formula
Percentage change = [(863 - 972) / 972] x 100
Subtract the new number by the original number
863 - 972 = -109
-109 ÷ 972 = -0.11213991769547325
-0.11213991769547325 x 100 = -11.21%