3422.22% is the change from 18 to 634
Calculation steps:
[( 634 - 18 ) ÷ 18] x 100 = 3422.22%
Formula
Percentage change = [(634 - 18) / 18] x 100
Subtract the new number by the original number
634 - 18 = 616
616 ÷ 18 = 34.22222222222222
34.22222222222222 x 100 = 3422.22%