100% is the change from 148 to 296
Calculation steps:
[( 296 - 148 ) ÷ 148] x 100 = 100%
Formula
Percentage change = [(296 - 148) / 148] x 100
Subtract the new number by the original number
296 - 148 = 148
148 ÷ 148 = 1
1 x 100 = 100%
Example