-34.07% is the change from 587 to 387
Calculation steps:
[( 387 - 587 ) ÷ 587] x 100 = -34.07%
Formula
Percentage change = [(387 - 587) / 587] x 100
Subtract the new number by the original number
387 - 587 = -200
-200 ÷ 587 = -0.34071550255536626
-0.34071550255536626 x 100 = -34.07%