80.48% is the change from 456 to 823
Calculation steps:
[( 823 - 456 ) ÷ 456] x 100 = 80.48%
Formula
Percentage change = [(823 - 456) / 456] x 100
Subtract the new number by the original number
823 - 456 = 367
367 ÷ 456 = 0.8048245614035088
0.8048245614035088 x 100 = 80.48%