1813.64% is the change from 22 to 421
Calculation steps:
[( 421 - 22 ) ÷ 22] x 100 = 1813.64%
Formula
Percentage change = [(421 - 22) / 22] x 100
Subtract the new number by the original number
421 - 22 = 399
399 ÷ 22 = 18.136363636363637
18.136363636363637 x 100 = 1813.64%