-26.4% is the change from 591 to 435
Calculation steps:
[( 435 - 591 ) ÷ 591] x 100 = -26.4%
Formula
Percentage change = [(435 - 591) / 591] x 100
Subtract the new number by the original number
435 - 591 = -156
-156 ÷ 591 = -0.2639593908629442
-0.2639593908629442 x 100 = -26.4%