-65.99% is the change from 591 to 201
Calculation steps:
[( 201 - 591 ) ÷ 591] x 100 = -65.99%
Formula
Percentage change = [(201 - 591) / 591] x 100
Subtract the new number by the original number
201 - 591 = -390
-390 ÷ 591 = -0.6598984771573604
-0.6598984771573604 x 100 = -65.99%