1261.11% is the change from 18 to 245
Calculation steps:
[( 245 - 18 ) ÷ 18] x 100 = 1261.11%
Formula
Percentage change = [(245 - 18) / 18] x 100
Subtract the new number by the original number
245 - 18 = 227
227 ÷ 18 = 12.61111111111111
12.61111111111111 x 100 = 1261.11%