74.31% is the change from 288 to 502
Calculation steps:
[( 502 - 288 ) ÷ 288] x 100 = 74.31%
Formula
Percentage change = [(502 - 288) / 288] x 100
Subtract the new number by the original number
502 - 288 = 214
214 ÷ 288 = 0.7430555555555556
0.7430555555555556 x 100 = 74.31%