1411.11% is the change from 18 to 272
Calculation steps:
[( 272 - 18 ) ÷ 18] x 100 = 1411.11%
Formula
Percentage change = [(272 - 18) / 18] x 100
Subtract the new number by the original number
272 - 18 = 254
254 ÷ 18 = 14.11111111111111
14.11111111111111 x 100 = 1411.11%