-57.65% is the change from 758 to 321
Calculation steps:
[( 321 - 758 ) ÷ 758] x 100 = -57.65%
Formula
Percentage change = [(321 - 758) / 758] x 100
Subtract the new number by the original number
321 - 758 = -437
-437 ÷ 758 = -0.5765171503957783
-0.5765171503957783 x 100 = -57.65%