49.01% is the change from 304 to 453
Calculation steps:
[( 453 - 304 ) ÷ 304] x 100 = 49.01%
Formula
Percentage change = [(453 - 304) / 304] x 100
Subtract the new number by the original number
453 - 304 = 149
149 ÷ 304 = 0.4901315789473684
0.4901315789473684 x 100 = 49.01%