-54.61% is the change from 705 to 320
Calculation steps:
[( 320 - 705 ) ÷ 705] x 100 = -54.61%
Formula
Percentage change = [(320 - 705) / 705] x 100
Subtract the new number by the original number
320 - 705 = -385
-385 ÷ 705 = -0.5460992907801419
-0.5460992907801419 x 100 = -54.61%