82.16% is the change from 454 to 827
Calculation steps:
[( 827 - 454 ) ÷ 454] x 100 = 82.16%
Formula
Percentage change = [(827 - 454) / 454] x 100
Subtract the new number by the original number
827 - 454 = 373
373 ÷ 454 = 0.8215859030837004
0.8215859030837004 x 100 = 82.16%