-66.98% is the change from 954 to 315
Calculation steps:
[( 315 - 954 ) ÷ 954] x 100 = -66.98%
Formula
Percentage change = [(315 - 954) / 954] x 100
Subtract the new number by the original number
315 - 954 = -639
-639 ÷ 954 = -0.6698113207547169
-0.6698113207547169 x 100 = -66.98%