-45.87% is the change from 593 to 321
Calculation steps:
[( 321 - 593 ) ÷ 593] x 100 = -45.87%
Formula
Percentage change = [(321 - 593) / 593] x 100
Subtract the new number by the original number
321 - 593 = -272
-272 ÷ 593 = -0.45868465430016864
-0.45868465430016864 x 100 = -45.87%