-66.29% is the change from 970 to 327
Calculation steps:
[( 327 - 970 ) ÷ 970] x 100 = -66.29%
Formula
Percentage change = [(327 - 970) / 970] x 100
Subtract the new number by the original number
327 - 970 = -643
-643 ÷ 970 = -0.6628865979381443
-0.6628865979381443 x 100 = -66.29%