-67.18% is the change from 966 to 317
Calculation steps:
[( 317 - 966 ) ÷ 966] x 100 = -67.18%
Formula
Percentage change = [(317 - 966) / 966] x 100
Subtract the new number by the original number
317 - 966 = -649
-649 ÷ 966 = -0.6718426501035196
-0.6718426501035196 x 100 = -67.18%