-54.14% is the change from 700 to 321
Calculation steps:
[( 321 - 700 ) ÷ 700] x 100 = -54.14%
Formula
Percentage change = [(321 - 700) / 700] x 100
Subtract the new number by the original number
321 - 700 = -379
-379 ÷ 700 = -0.5414285714285715
-0.5414285714285715 x 100 = -54.14%