2294.44% is the change from 18 to 431
Calculation steps:
[( 431 - 18 ) ÷ 18] x 100 = 2294.44%
Formula
Percentage change = [(431 - 18) / 18] x 100
Subtract the new number by the original number
431 - 18 = 413
413 ÷ 18 = 22.944444444444443
22.944444444444443 x 100 = 2294.44%