-26.06% is the change from 587 to 434
Calculation steps:
[( 434 - 587 ) ÷ 587] x 100 = -26.06%
Formula
Percentage change = [(434 - 587) / 587] x 100
Subtract the new number by the original number
434 - 587 = -153
-153 ÷ 587 = -0.2606473594548552
-0.2606473594548552 x 100 = -26.06%