-22.37% is the change from 447 to 347
Calculation steps:
[( 347 - 447 ) ÷ 447] x 100 = -22.37%
Formula
Percentage change = [(347 - 447) / 447] x 100
Subtract the new number by the original number
347 - 447 = -100
-100 ÷ 447 = -0.22371364653243847
-0.22371364653243847 x 100 = -22.37%