71.52% is the change from 302 to 518
Calculation steps:
[( 518 - 302 ) ÷ 302] x 100 = 71.52%
Formula
Percentage change = [(518 - 302) / 302] x 100
Subtract the new number by the original number
518 - 302 = 216
216 ÷ 302 = 0.7152317880794702
0.7152317880794702 x 100 = 71.52%