89.64% is the change from 222 to 421
Calculation steps:
[( 421 - 222 ) ÷ 222] x 100 = 89.64%
Formula
Percentage change = [(421 - 222) / 222] x 100
Subtract the new number by the original number
421 - 222 = 199
199 ÷ 222 = 0.8963963963963963
0.8963963963963963 x 100 = 89.64%