98.9% is the change from 454 to 903
Calculation steps:
[( 903 - 454 ) ÷ 454] x 100 = 98.9%
Formula
Percentage change = [(903 - 454) / 454] x 100
Subtract the new number by the original number
903 - 454 = 449
449 ÷ 454 = 0.9889867841409692
0.9889867841409692 x 100 = 98.9%