88.57% is the change from 455 to 858
Calculation steps:
[( 858 - 455 ) ÷ 455] x 100 = 88.57%
Formula
Percentage change = [(858 - 455) / 455] x 100
Subtract the new number by the original number
858 - 455 = 403
403 ÷ 455 = 0.8857142857142857
0.8857142857142857 x 100 = 88.57%