100% is the change from 147 to 294
Calculation steps:
[( 294 - 147 ) ÷ 147] x 100 = 100%
Formula
Percentage change = [(294 - 147) / 147] x 100
Subtract the new number by the original number
294 - 147 = 147
147 ÷ 147 = 1
1 x 100 = 100%
Example