83.26% is the change from 221 to 405
Calculation steps:
[( 405 - 221 ) ÷ 221] x 100 = 83.26%
Formula
Percentage change = [(405 - 221) / 221] x 100
Subtract the new number by the original number
405 - 221 = 184
184 ÷ 221 = 0.832579185520362
0.832579185520362 x 100 = 83.26%