-26.57% is the change from 591 to 434
Calculation steps:
[( 434 - 591 ) ÷ 591] x 100 = -26.57%
Formula
Percentage change = [(434 - 591) / 591] x 100
Subtract the new number by the original number
434 - 591 = -157
-157 ÷ 591 = -0.2656514382402707
-0.2656514382402707 x 100 = -26.57%