-67.45% is the change from 983 to 320
Calculation steps:
[( 320 - 983 ) ÷ 983] x 100 = -67.45%
Formula
Percentage change = [(320 - 983) / 983] x 100
Subtract the new number by the original number
320 - 983 = -663
-663 ÷ 983 = -0.6744659206510681
-0.6744659206510681 x 100 = -67.45%