-10.91% is the change from 972 to 866
Calculation steps:
[( 866 - 972 ) ÷ 972] x 100 = -10.91%
Formula
Percentage change = [(866 - 972) / 972] x 100
Subtract the new number by the original number
866 - 972 = -106
-106 ÷ 972 = -0.10905349794238683
-0.10905349794238683 x 100 = -10.91%