81.45% is the change from 345 to 626
Calculation steps:
[( 626 - 345 ) ÷ 345] x 100 = 81.45%
Formula
Percentage change = [(626 - 345) / 345] x 100
Subtract the new number by the original number
626 - 345 = 281
281 ÷ 345 = 0.8144927536231884
0.8144927536231884 x 100 = 81.45%