1594.44% is the change from 18 to 305
Calculation steps:
[( 305 - 18 ) ÷ 18] x 100 = 1594.44%
Formula
Percentage change = [(305 - 18) / 18] x 100
Subtract the new number by the original number
305 - 18 = 287
287 ÷ 18 = 15.944444444444445
15.944444444444445 x 100 = 1594.44%