50.66% is the change from 302 to 455
Calculation steps:
[( 455 - 302 ) ÷ 302] x 100 = 50.66%
Formula
Percentage change = [(455 - 302) / 302] x 100
Subtract the new number by the original number
455 - 302 = 153
153 ÷ 302 = 0.5066225165562914
0.5066225165562914 x 100 = 50.66%