-66.14% is the change from 945 to 320
Calculation steps:
[( 320 - 945 ) ÷ 945] x 100 = -66.14%
Formula
Percentage change = [(320 - 945) / 945] x 100
Subtract the new number by the original number
320 - 945 = -625
-625 ÷ 945 = -0.6613756613756614
-0.6613756613756614 x 100 = -66.14%