1527.78% is the change from 18 to 293
Calculation steps:
[( 293 - 18 ) ÷ 18] x 100 = 1527.78%
Formula
Percentage change = [(293 - 18) / 18] x 100
Subtract the new number by the original number
293 - 18 = 275
275 ÷ 18 = 15.277777777777779
15.277777777777779 x 100 = 1527.78%