347.2% is the change from 214 to 957
Calculation steps:
[( 957 - 214 ) ÷ 214] x 100 = 347.2%
Formula
Percentage change = [(957 - 214) / 214] x 100
Subtract the new number by the original number
957 - 214 = 743
743 ÷ 214 = 3.47196261682243
3.47196261682243 x 100 = 347.2%