18.54% is the change from 437 to 518
Calculation steps:
[( 518 - 437 ) ÷ 437] x 100 = 18.54%
Formula
Percentage change = [(518 - 437) / 437] x 100
Subtract the new number by the original number
518 - 437 = 81
81 ÷ 437 = 0.1853546910755149
0.1853546910755149 x 100 = 18.54%