371.23% is the change from 73 to 344
Calculation steps:
[( 344 - 73 ) ÷ 73] x 100 = 371.23%
Formula
Percentage change = [(344 - 73) / 73] x 100
Subtract the new number by the original number
344 - 73 = 271
271 ÷ 73 = 3.712328767123288
3.712328767123288 x 100 = 371.23%