85.46% is the change from 227 to 421
Calculation steps:
[( 421 - 227 ) ÷ 227] x 100 = 85.46%
Formula
Percentage change = [(421 - 227) / 227] x 100
Subtract the new number by the original number
421 - 227 = 194
194 ÷ 227 = 0.8546255506607929
0.8546255506607929 x 100 = 85.46%