-23.3% is the change from 455 to 349
Calculation steps:
[( 349 - 455 ) ÷ 455] x 100 = -23.3%
Formula
Percentage change = [(349 - 455) / 455] x 100
Subtract the new number by the original number
349 - 455 = -106
-106 ÷ 455 = -0.23296703296703297
-0.23296703296703297 x 100 = -23.3%