-37.56% is the change from 434 to 271
Calculation steps:
[( 271 - 434 ) ÷ 434] x 100 = -37.56%
Formula
Percentage change = [(271 - 434) / 434] x 100
Subtract the new number by the original number
271 - 434 = -163
-163 ÷ 434 = -0.37557603686635943
-0.37557603686635943 x 100 = -37.56%