70.81% is the change from 346 to 591
Calculation steps:
[( 591 - 346 ) ÷ 346] x 100 = 70.81%
Formula
Percentage change = [(591 - 346) / 346] x 100
Subtract the new number by the original number
591 - 346 = 245
245 ÷ 346 = 0.708092485549133
0.708092485549133 x 100 = 70.81%