-66.94% is the change from 968 to 320
Calculation steps:
[( 320 - 968 ) ÷ 968] x 100 = -66.94%
Formula
Percentage change = [(320 - 968) / 968] x 100
Subtract the new number by the original number
320 - 968 = -648
-648 ÷ 968 = -0.6694214876033058
-0.6694214876033058 x 100 = -66.94%