-26.23% is the change from 591 to 436
Calculation steps:
[( 436 - 591 ) ÷ 591] x 100 = -26.23%
Formula
Percentage change = [(436 - 591) / 591] x 100
Subtract the new number by the original number
436 - 591 = -155
-155 ÷ 591 = -0.2622673434856176
-0.2622673434856176 x 100 = -26.23%