98% is the change from 450 to 891
Calculation steps:
[( 891 - 450 ) ÷ 450] x 100 = 98%
Formula
Percentage change = [(891 - 450) / 450] x 100
Subtract the new number by the original number
891 - 450 = 441
441 ÷ 450 = 0.98
0.98 x 100 = 98%
Example