-29.6% is the change from 956 to 673
Calculation steps:
[( 673 - 956 ) ÷ 956] x 100 = -29.6%
Formula
Percentage change = [(673 - 956) / 956] x 100
Subtract the new number by the original number
673 - 956 = -283
-283 ÷ 956 = -0.29602510460251047
-0.29602510460251047 x 100 = -29.6%