-17.53% is the change from 405 to 334
Calculation steps:
[( 334 - 405 ) ÷ 405] x 100 = -17.53%
Formula
Percentage change = [(334 - 405) / 405] x 100
Subtract the new number by the original number
334 - 405 = -71
-71 ÷ 405 = -0.17530864197530865
-0.17530864197530865 x 100 = -17.53%