341.4% is the change from 215 to 949
Calculation steps:
[( 949 - 215 ) ÷ 215] x 100 = 341.4%
Formula
Percentage change = [(949 - 215) / 215] x 100
Subtract the new number by the original number
949 - 215 = 734
734 ÷ 215 = 3.4139534883720932
3.4139534883720932 x 100 = 341.4%