-82.09% is the change from 966 to 173
Calculation steps:
[( 173 - 966 ) ÷ 966] x 100 = -82.09%
Formula
Percentage change = [(173 - 966) / 966] x 100
Subtract the new number by the original number
173 - 966 = -793
-793 ÷ 966 = -0.8209109730848861
-0.8209109730848861 x 100 = -82.09%