52.25% is the change from 511 to 778
Calculation steps:
[( 778 - 511 ) ÷ 511] x 100 = 52.25%
Formula
Percentage change = [(778 - 511) / 511] x 100
Subtract the new number by the original number
778 - 511 = 267
267 ÷ 511 = 0.5225048923679061
0.5225048923679061 x 100 = 52.25%