349.3% is the change from 213 to 957
Calculation steps:
[( 957 - 213 ) ÷ 213] x 100 = 349.3%
Formula
Percentage change = [(957 - 213) / 213] x 100
Subtract the new number by the original number
957 - 213 = 744
744 ÷ 213 = 3.492957746478873
3.492957746478873 x 100 = 349.3%