80.7% is the change from 456 to 824
Calculation steps:
[( 824 - 456 ) ÷ 456] x 100 = 80.7%
Formula
Percentage change = [(824 - 456) / 456] x 100
Subtract the new number by the original number
824 - 456 = 368
368 ÷ 456 = 0.8070175438596491
0.8070175438596491 x 100 = 80.7%