45.36% is the change from 302 to 439
Calculation steps:
[( 439 - 302 ) ÷ 302] x 100 = 45.36%
Formula
Percentage change = [(439 - 302) / 302] x 100
Subtract the new number by the original number
439 - 302 = 137
137 ÷ 302 = 0.45364238410596025
0.45364238410596025 x 100 = 45.36%