1.57% is the change from 511 to 519
Calculation steps:
[( 519 - 511 ) ÷ 511] x 100 = 1.57%
Formula
Percentage change = [(519 - 511) / 511] x 100
Subtract the new number by the original number
519 - 511 = 8
8 ÷ 511 = 0.015655577299412915
0.015655577299412915 x 100 = 1.57%