-66.63% is the change from 956 to 319
Calculation steps:
[( 319 - 956 ) ÷ 956] x 100 = -66.63%
Formula
Percentage change = [(319 - 956) / 956] x 100
Subtract the new number by the original number
319 - 956 = -637
-637 ÷ 956 = -0.6663179916317992
-0.6663179916317992 x 100 = -66.63%