-66.56% is the change from 945 to 316
Calculation steps:
[( 316 - 945 ) ÷ 945] x 100 = -66.56%
Formula
Percentage change = [(316 - 945) / 945] x 100
Subtract the new number by the original number
316 - 945 = -629
-629 ÷ 945 = -0.6656084656084656
-0.6656084656084656 x 100 = -66.56%