21.11% is the change from 180 to 218
Calculation steps:
[( 218 - 180 ) ÷ 180] x 100 = 21.11%
Formula
Percentage change = [(218 - 180) / 180] x 100
Subtract the new number by the original number
218 - 180 = 38
38 ÷ 180 = 0.2111111111111111
0.2111111111111111 x 100 = 21.11%