-32.52% is the change from 984 to 664
Calculation steps:
[( 664 - 984 ) ÷ 984] x 100 = -32.52%
Formula
Percentage change = [(664 - 984) / 984] x 100
Subtract the new number by the original number
664 - 984 = -320
-320 ÷ 984 = -0.3252032520325203
-0.3252032520325203 x 100 = -32.52%