30.08% is the change from 236 to 307
Calculation steps:
[( 307 - 236 ) ÷ 236] x 100 = 30.08%
Formula
Percentage change = [(307 - 236) / 236] x 100
Subtract the new number by the original number
307 - 236 = 71
71 ÷ 236 = 0.3008474576271186
0.3008474576271186 x 100 = 30.08%