18.12% is the change from 436 to 515
Calculation steps:
[( 515 - 436 ) ÷ 436] x 100 = 18.12%
Formula
Percentage change = [(515 - 436) / 436] x 100
Subtract the new number by the original number
515 - 436 = 79
79 ÷ 436 = 0.1811926605504587
0.1811926605504587 x 100 = 18.12%