-29.9% is the change from 960 to 673
Calculation steps:
[( 673 - 960 ) ÷ 960] x 100 = -29.9%
Formula
Percentage change = [(673 - 960) / 960] x 100
Subtract the new number by the original number
673 - 960 = -287
-287 ÷ 960 = -0.2989583333333333
-0.2989583333333333 x 100 = -29.9%