51.08% is the change from 507 to 766
Calculation steps:
[( 766 - 507 ) ÷ 507] x 100 = 51.08%
Formula
Percentage change = [(766 - 507) / 507] x 100
Subtract the new number by the original number
766 - 507 = 259
259 ÷ 507 = 0.5108481262327417
0.5108481262327417 x 100 = 51.08%