-18.39% is the change from 435 to 355
Calculation steps:
[( 355 - 435 ) ÷ 435] x 100 = -18.39%
Formula
Percentage change = [(355 - 435) / 435] x 100
Subtract the new number by the original number
355 - 435 = -80
-80 ÷ 435 = -0.1839080459770115
-0.1839080459770115 x 100 = -18.39%