-66.95% is the change from 956 to 316
Calculation steps:
[( 316 - 956 ) ÷ 956] x 100 = -66.95%
Formula
Percentage change = [(316 - 956) / 956] x 100
Subtract the new number by the original number
316 - 956 = -640
-640 ÷ 956 = -0.6694560669456067
-0.6694560669456067 x 100 = -66.95%