-47.19% is the change from 587 to 310
Calculation steps:
[( 310 - 587 ) ÷ 587] x 100 = -47.19%
Formula
Percentage change = [(310 - 587) / 587] x 100
Subtract the new number by the original number
310 - 587 = -277
-277 ÷ 587 = -0.47189097103918226
-0.47189097103918226 x 100 = -47.19%