80.98% is the change from 447 to 809
Calculation steps:
[( 809 - 447 ) ÷ 447] x 100 = 80.98%
Formula
Percentage change = [(809 - 447) / 447] x 100
Subtract the new number by the original number
809 - 447 = 362
362 ÷ 447 = 0.8098434004474273
0.8098434004474273 x 100 = 80.98%