-58.9% is the change from 781 to 321
Calculation steps:
[( 321 - 781 ) ÷ 781] x 100 = -58.9%
Formula
Percentage change = [(321 - 781) / 781] x 100
Subtract the new number by the original number
321 - 781 = -460
-460 ÷ 781 = -0.58898847631242
-0.58898847631242 x 100 = -58.9%