-94.89% is the change from 587 to 30
Calculation steps:
[( 30 - 587 ) ÷ 587] x 100 = -94.89%
Formula
Percentage change = [(30 - 587) / 587] x 100
Subtract the new number by the original number
30 - 587 = -557
-557 ÷ 587 = -0.948892674616695
-0.948892674616695 x 100 = -94.89%