327.4% is the change from 73 to 312
Calculation steps:
[( 312 - 73 ) ÷ 73] x 100 = 327.4%
Formula
Percentage change = [(312 - 73) / 73] x 100
Subtract the new number by the original number
312 - 73 = 239
239 ÷ 73 = 3.2739726027397262
3.2739726027397262 x 100 = 327.4%