90.44% is the change from 450 to 857
Calculation steps:
[( 857 - 450 ) ÷ 450] x 100 = 90.44%
Formula
Percentage change = [(857 - 450) / 450] x 100
Subtract the new number by the original number
857 - 450 = 407
407 ÷ 450 = 0.9044444444444445
0.9044444444444445 x 100 = 90.44%