-58.22% is the change from 766 to 320
Calculation steps:
[( 320 - 766 ) ÷ 766] x 100 = -58.22%
Formula
Percentage change = [(320 - 766) / 766] x 100
Subtract the new number by the original number
320 - 766 = -446
-446 ÷ 766 = -0.5822454308093995
-0.5822454308093995 x 100 = -58.22%