-4.86% is the change from 617 to 587
Calculation steps:
[( 587 - 617 ) ÷ 617] x 100 = -4.86%
Formula
Percentage change = [(587 - 617) / 617] x 100
Subtract the new number by the original number
587 - 617 = -30
-30 ÷ 617 = -0.04862236628849271
-0.04862236628849271 x 100 = -4.86%