-67.6% is the change from 966 to 313
Calculation steps:
[( 313 - 966 ) ÷ 966] x 100 = -67.6%
Formula
Percentage change = [(313 - 966) / 966] x 100
Subtract the new number by the original number
313 - 966 = -653
-653 ÷ 966 = -0.6759834368530021
-0.6759834368530021 x 100 = -67.6%