69.07% is the change from 236 to 399
Calculation steps:
[( 399 - 236 ) ÷ 236] x 100 = 69.07%
Formula
Percentage change = [(399 - 236) / 236] x 100
Subtract the new number by the original number
399 - 236 = 163
163 ÷ 236 = 0.690677966101695
0.690677966101695 x 100 = 69.07%