72.54% is the change from 346 to 597
Calculation steps:
[( 597 - 346 ) ÷ 346] x 100 = 72.54%
Formula
Percentage change = [(597 - 346) / 346] x 100
Subtract the new number by the original number
597 - 346 = 251
251 ÷ 346 = 0.7254335260115607
0.7254335260115607 x 100 = 72.54%