-97.29% is the change from 591 to 16
Calculation steps:
[( 16 - 591 ) ÷ 591] x 100 = -97.29%
Formula
Percentage change = [(16 - 591) / 591] x 100
Subtract the new number by the original number
16 - 591 = -575
-575 ÷ 591 = -0.9729272419627749
-0.9729272419627749 x 100 = -97.29%