-21.92% is the change from 447 to 349
Calculation steps:
[( 349 - 447 ) ÷ 447] x 100 = -21.92%
Formula
Percentage change = [(349 - 447) / 447] x 100
Subtract the new number by the original number
349 - 447 = -98
-98 ÷ 447 = -0.21923937360178972
-0.21923937360178972 x 100 = -21.92%