-97.63% is the change from 591 to 14
Calculation steps:
[( 14 - 591 ) ÷ 591] x 100 = -97.63%
Formula
Percentage change = [(14 - 591) / 591] x 100
Subtract the new number by the original number
14 - 591 = -577
-577 ÷ 591 = -0.9763113367174281
-0.9763113367174281 x 100 = -97.63%