54.04% is the change from 507 to 781
Calculation steps:
[( 781 - 507 ) ÷ 507] x 100 = 54.04%
Formula
Percentage change = [(781 - 507) / 507] x 100
Subtract the new number by the original number
781 - 507 = 274
274 ÷ 507 = 0.5404339250493096
0.5404339250493096 x 100 = 54.04%