77.58% is the change from 513 to 911
Calculation steps:
[( 911 - 513 ) ÷ 513] x 100 = 77.58%
Formula
Percentage change = [(911 - 513) / 513] x 100
Subtract the new number by the original number
911 - 513 = 398
398 ÷ 513 = 0.7758284600389863
0.7758284600389863 x 100 = 77.58%