84.34% is the change from 447 to 824
Calculation steps:
[( 824 - 447 ) ÷ 447] x 100 = 84.34%
Formula
Percentage change = [(824 - 447) / 447] x 100
Subtract the new number by the original number
824 - 447 = 377
377 ÷ 447 = 0.843400447427293
0.843400447427293 x 100 = 84.34%