50.49% is the change from 507 to 763
Calculation steps:
[( 763 - 507 ) ÷ 507] x 100 = 50.49%
Formula
Percentage change = [(763 - 507) / 507] x 100
Subtract the new number by the original number
763 - 507 = 256
256 ÷ 507 = 0.504930966469428
0.504930966469428 x 100 = 50.49%