49.02% is the change from 508 to 757
Calculation steps:
[( 757 - 508 ) ÷ 508] x 100 = 49.02%
Formula
Percentage change = [(757 - 508) / 508] x 100
Subtract the new number by the original number
757 - 508 = 249
249 ÷ 508 = 0.49015748031496065
0.49015748031496065 x 100 = 49.02%