78.67% is the change from 511 to 913
Calculation steps:
[( 913 - 511 ) ÷ 511] x 100 = 78.67%
Formula
Percentage change = [(913 - 511) / 511] x 100
Subtract the new number by the original number
913 - 511 = 402
402 ÷ 511 = 0.786692759295499
0.786692759295499 x 100 = 78.67%