36.7% is the change from 515 to 704
Calculation steps:
[( 704 - 515 ) ÷ 515] x 100 = 36.7%
Formula
Percentage change = [(704 - 515) / 515] x 100
Subtract the new number by the original number
704 - 515 = 189
189 ÷ 515 = 0.36699029126213595
0.36699029126213595 x 100 = 36.7%