1272.22% is the change from 18 to 247
Calculation steps:
[( 247 - 18 ) ÷ 18] x 100 = 1272.22%
Formula
Percentage change = [(247 - 18) / 18] x 100
Subtract the new number by the original number
247 - 18 = 229
229 ÷ 18 = 12.722222222222221
12.722222222222221 x 100 = 1272.22%