29.18% is the change from 305 to 394
Calculation steps:
[( 394 - 305 ) ÷ 305] x 100 = 29.18%
Formula
Percentage change = [(394 - 305) / 305] x 100
Subtract the new number by the original number
394 - 305 = 89
89 ÷ 305 = 0.29180327868852457
0.29180327868852457 x 100 = 29.18%