-17.27% is the change from 417 to 345
Calculation steps:
[( 345 - 417 ) ÷ 417] x 100 = -17.27%
Formula
Percentage change = [(345 - 417) / 417] x 100
Subtract the new number by the original number
345 - 417 = -72
-72 ÷ 417 = -0.17266187050359713
-0.17266187050359713 x 100 = -17.27%