66.95% is the change from 236 to 394
Calculation steps:
[( 394 - 236 ) ÷ 236] x 100 = 66.95%
Formula
Percentage change = [(394 - 236) / 236] x 100
Subtract the new number by the original number
394 - 236 = 158
158 ÷ 236 = 0.6694915254237288
0.6694915254237288 x 100 = 66.95%