-4.38% is the change from 434 to 415
Calculation steps:
[( 415 - 434 ) ÷ 434] x 100 = -4.38%
Formula
Percentage change = [(415 - 434) / 434] x 100
Subtract the new number by the original number
415 - 434 = -19
-19 ÷ 434 = -0.04377880184331797
-0.04377880184331797 x 100 = -4.38%