89.49% is the change from 447 to 847
Calculation steps:
[( 847 - 447 ) ÷ 447] x 100 = 89.49%
Formula
Percentage change = [(847 - 447) / 447] x 100
Subtract the new number by the original number
847 - 447 = 400
400 ÷ 447 = 0.8948545861297539
0.8948545861297539 x 100 = 89.49%