51.16% is the change from 301 to 455
Calculation steps:
[( 455 - 301 ) ÷ 301] x 100 = 51.16%
Formula
Percentage change = [(455 - 301) / 301] x 100
Subtract the new number by the original number
455 - 301 = 154
154 ÷ 301 = 0.5116279069767442
0.5116279069767442 x 100 = 51.16%