84.06% is the change from 345 to 635
Calculation steps:
[( 635 - 345 ) ÷ 345] x 100 = 84.06%
Formula
Percentage change = [(635 - 345) / 345] x 100
Subtract the new number by the original number
635 - 345 = 290
290 ÷ 345 = 0.8405797101449275
0.8405797101449275 x 100 = 84.06%