83.37% is the change from 451 to 827
Calculation steps:
[( 827 - 451 ) ÷ 451] x 100 = 83.37%
Formula
Percentage change = [(827 - 451) / 451] x 100
Subtract the new number by the original number
827 - 451 = 376
376 ÷ 451 = 0.8337028824833703
0.8337028824833703 x 100 = 83.37%