10.56% is the change from 180 to 199
Calculation steps:
[( 199 - 180 ) ÷ 180] x 100 = 10.56%
Formula
Percentage change = [(199 - 180) / 180] x 100
Subtract the new number by the original number
199 - 180 = 19
19 ÷ 180 = 0.10555555555555556
0.10555555555555556 x 100 = 10.56%