37.77% is the change from 511 to 704
Calculation steps:
[( 704 - 511 ) ÷ 511] x 100 = 37.77%
Formula
Percentage change = [(704 - 511) / 511] x 100
Subtract the new number by the original number
704 - 511 = 193
193 ÷ 511 = 0.3776908023483366
0.3776908023483366 x 100 = 37.77%