81.54% is the change from 455 to 826
Calculation steps:
[( 826 - 455 ) ÷ 455] x 100 = 81.54%
Formula
Percentage change = [(826 - 455) / 455] x 100
Subtract the new number by the original number
826 - 455 = 371
371 ÷ 455 = 0.8153846153846154
0.8153846153846154 x 100 = 81.54%