-54.22% is the change from 699 to 320
Calculation steps:
[( 320 - 699 ) ÷ 699] x 100 = -54.22%
Formula
Percentage change = [(320 - 699) / 699] x 100
Subtract the new number by the original number
320 - 699 = -379
-379 ÷ 699 = -0.542203147353362
-0.542203147353362 x 100 = -54.22%