-48.4% is the change from 593 to 306
Calculation steps:
[( 306 - 593 ) ÷ 593] x 100 = -48.4%
Formula
Percentage change = [(306 - 593) / 593] x 100
Subtract the new number by the original number
306 - 593 = -287
-287 ÷ 593 = -0.4839797639123103
-0.4839797639123103 x 100 = -48.4%