106.04% is the change from 447 to 921
Calculation steps:
[( 921 - 447 ) ÷ 447] x 100 = 106.04%
Formula
Percentage change = [(921 - 447) / 447] x 100
Subtract the new number by the original number
921 - 447 = 474
474 ÷ 447 = 1.0604026845637584
1.0604026845637584 x 100 = 106.04%