50% is the change from 236 to 354
Calculation steps:
[( 354 - 236 ) ÷ 236] x 100 = 50%
Formula
Percentage change = [(354 - 236) / 236] x 100
Subtract the new number by the original number
354 - 236 = 118
118 ÷ 236 = 0.5
0.5 x 100 = 50%
Example