-47.89% is the change from 593 to 309
Calculation steps:
[( 309 - 593 ) ÷ 593] x 100 = -47.89%
Formula
Percentage change = [(309 - 593) / 593] x 100
Subtract the new number by the original number
309 - 593 = -284
-284 ÷ 593 = -0.47892074198988194
-0.47892074198988194 x 100 = -47.89%