66.89% is the change from 302 to 504
Calculation steps:
[( 504 - 302 ) ÷ 302] x 100 = 66.89%
Formula
Percentage change = [(504 - 302) / 302] x 100
Subtract the new number by the original number
504 - 302 = 202
202 ÷ 302 = 0.6688741721854304
0.6688741721854304 x 100 = 66.89%