-27.42% is the change from 434 to 315
Calculation steps:
[( 315 - 434 ) ÷ 434] x 100 = -27.42%
Formula
Percentage change = [(315 - 434) / 434] x 100
Subtract the new number by the original number
315 - 434 = -119
-119 ÷ 434 = -0.27419354838709675
-0.27419354838709675 x 100 = -27.42%