-16.64% is the change from 589 to 491
Calculation steps:
[( 491 - 589 ) ÷ 589] x 100 = -16.64%
Formula
Percentage change = [(491 - 589) / 589] x 100
Subtract the new number by the original number
491 - 589 = -98
-98 ÷ 589 = -0.166383701188455
-0.166383701188455 x 100 = -16.64%