76.81% is the change from 345 to 610
Calculation steps:
[( 610 - 345 ) ÷ 345] x 100 = 76.81%
Formula
Percentage change = [(610 - 345) / 345] x 100
Subtract the new number by the original number
610 - 345 = 265
265 ÷ 345 = 0.7681159420289855
0.7681159420289855 x 100 = 76.81%