342.27% is the change from 220 to 973
Calculation steps:
[( 973 - 220 ) ÷ 220] x 100 = 342.27%
Formula
Percentage change = [(973 - 220) / 220] x 100
Subtract the new number by the original number
973 - 220 = 753
753 ÷ 220 = 3.422727272727273
3.422727272727273 x 100 = 342.27%