-19.9% is the change from 417 to 334
Calculation steps:
[( 334 - 417 ) ÷ 417] x 100 = -19.9%
Formula
Percentage change = [(334 - 417) / 417] x 100
Subtract the new number by the original number
334 - 417 = -83
-83 ÷ 417 = -0.19904076738609114
-0.19904076738609114 x 100 = -19.9%