84.53% is the change from 446 to 823
Calculation steps:
[( 823 - 446 ) ÷ 446] x 100 = 84.53%
Formula
Percentage change = [(823 - 446) / 446] x 100
Subtract the new number by the original number
823 - 446 = 377
377 ÷ 446 = 0.8452914798206278
0.8452914798206278 x 100 = 84.53%