76.3% is the change from 346 to 610
Calculation steps:
[( 610 - 346 ) ÷ 346] x 100 = 76.3%
Formula
Percentage change = [(610 - 346) / 346] x 100
Subtract the new number by the original number
610 - 346 = 264
264 ÷ 346 = 0.7630057803468208
0.7630057803468208 x 100 = 76.3%