52.84% is the change from 511 to 781
Calculation steps:
[( 781 - 511 ) ÷ 511] x 100 = 52.84%
Formula
Percentage change = [(781 - 511) / 511] x 100
Subtract the new number by the original number
781 - 511 = 270
270 ÷ 511 = 0.5283757338551859
0.5283757338551859 x 100 = 52.84%