50.4% is the change from 506 to 761
Calculation steps:
[( 761 - 506 ) ÷ 506] x 100 = 50.4%
Formula
Percentage change = [(761 - 506) / 506] x 100
Subtract the new number by the original number
761 - 506 = 255
255 ÷ 506 = 0.5039525691699605
0.5039525691699605 x 100 = 50.4%