19.59% is the change from 434 to 519
Calculation steps:
[( 519 - 434 ) ÷ 434] x 100 = 19.59%
Formula
Percentage change = [(519 - 434) / 434] x 100
Subtract the new number by the original number
519 - 434 = 85
85 ÷ 434 = 0.195852534562212
0.195852534562212 x 100 = 19.59%