313.7% is the change from 73 to 302
Calculation steps:
[( 302 - 73 ) ÷ 73] x 100 = 313.7%
Formula
Percentage change = [(302 - 73) / 73] x 100
Subtract the new number by the original number
302 - 73 = 229
229 ÷ 73 = 3.136986301369863
3.136986301369863 x 100 = 313.7%