-98.31% is the change from 591 to 10
Calculation steps:
[( 10 - 591 ) ÷ 591] x 100 = -98.31%
Formula
Percentage change = [(10 - 591) / 591] x 100
Subtract the new number by the original number
10 - 591 = -581
-581 ÷ 591 = -0.9830795262267343
-0.9830795262267343 x 100 = -98.31%