357.89% is the change from 209 to 957
Calculation steps:
[( 957 - 209 ) ÷ 209] x 100 = 357.89%
Formula
Percentage change = [(957 - 209) / 209] x 100
Subtract the new number by the original number
957 - 209 = 748
748 ÷ 209 = 3.5789473684210527
3.5789473684210527 x 100 = 357.89%