-22.6% is the change from 447 to 346
Calculation steps:
[( 346 - 447 ) ÷ 447] x 100 = -22.6%
Formula
Percentage change = [(346 - 447) / 447] x 100
Subtract the new number by the original number
346 - 447 = -101
-101 ÷ 447 = -0.22595078299776286
-0.22595078299776286 x 100 = -22.6%