100% is the change from 348 to 696
Calculation steps:
[( 696 - 348 ) ÷ 348] x 100 = 100%
Formula
Percentage change = [(696 - 348) / 348] x 100
Subtract the new number by the original number
696 - 348 = 348
348 ÷ 348 = 1
1 x 100 = 100%
Example