42.37% is the change from 236 to 336
Calculation steps:
[( 336 - 236 ) ÷ 236] x 100 = 42.37%
Formula
Percentage change = [(336 - 236) / 236] x 100
Subtract the new number by the original number
336 - 236 = 100
100 ÷ 236 = 0.423728813559322
0.423728813559322 x 100 = 42.37%