-66.27% is the change from 587 to 198
Calculation steps:
[( 198 - 587 ) ÷ 587] x 100 = -66.27%
Formula
Percentage change = [(198 - 587) / 587] x 100
Subtract the new number by the original number
198 - 587 = -389
-389 ÷ 587 = -0.6626916524701874
-0.6626916524701874 x 100 = -66.27%