-58.09% is the change from 766 to 321
Calculation steps:
[( 321 - 766 ) ÷ 766] x 100 = -58.09%
Formula
Percentage change = [(321 - 766) / 766] x 100
Subtract the new number by the original number
321 - 766 = -445
-445 ÷ 766 = -0.5809399477806788
-0.5809399477806788 x 100 = -58.09%