317.81% is the change from 73 to 305
Calculation steps:
[( 305 - 73 ) ÷ 73] x 100 = 317.81%
Formula
Percentage change = [(305 - 73) / 73] x 100
Subtract the new number by the original number
305 - 73 = 232
232 ÷ 73 = 3.1780821917808217
3.1780821917808217 x 100 = 317.81%