-23.01% is the change from 591 to 455
Calculation steps:
[( 455 - 591 ) ÷ 591] x 100 = -23.01%
Formula
Percentage change = [(455 - 591) / 591] x 100
Subtract the new number by the original number
455 - 591 = -136
-136 ÷ 591 = -0.23011844331641285
-0.23011844331641285 x 100 = -23.01%