73.31% is the change from 236 to 409
Calculation steps:
[( 409 - 236 ) ÷ 236] x 100 = 73.31%
Formula
Percentage change = [(409 - 236) / 236] x 100
Subtract the new number by the original number
409 - 236 = 173
173 ÷ 236 = 0.7330508474576272
0.7330508474576272 x 100 = 73.31%