47.08% is the change from 308 to 453
Calculation steps:
[( 453 - 308 ) ÷ 308] x 100 = 47.08%
Formula
Percentage change = [(453 - 308) / 308] x 100
Subtract the new number by the original number
453 - 308 = 145
145 ÷ 308 = 0.4707792207792208
0.4707792207792208 x 100 = 47.08%