-27.75% is the change from 591 to 427
Calculation steps:
[( 427 - 591 ) ÷ 591] x 100 = -27.75%
Formula
Percentage change = [(427 - 591) / 591] x 100
Subtract the new number by the original number
427 - 591 = -164
-164 ÷ 591 = -0.27749576988155666
-0.27749576988155666 x 100 = -27.75%