72.75% is the change from 345 to 596
Calculation steps:
[( 596 - 345 ) ÷ 345] x 100 = 72.75%
Formula
Percentage change = [(596 - 345) / 345] x 100
Subtract the new number by the original number
596 - 345 = 251
251 ÷ 345 = 0.7275362318840579
0.7275362318840579 x 100 = 72.75%