-17.87% is the change from 414 to 340
Calculation steps:
[( 340 - 414 ) ÷ 414] x 100 = -17.87%
Formula
Percentage change = [(340 - 414) / 414] x 100
Subtract the new number by the original number
340 - 414 = -74
-74 ÷ 414 = -0.178743961352657
-0.178743961352657 x 100 = -17.87%