55.12% is the change from 508 to 788
Calculation steps:
[( 788 - 508 ) ÷ 508] x 100 = 55.12%
Formula
Percentage change = [(788 - 508) / 508] x 100
Subtract the new number by the original number
788 - 508 = 280
280 ÷ 508 = 0.5511811023622047
0.5511811023622047 x 100 = 55.12%