81.74% is the change from 345 to 627
Calculation steps:
[( 627 - 345 ) ÷ 345] x 100 = 81.74%
Formula
Percentage change = [(627 - 345) / 345] x 100
Subtract the new number by the original number
627 - 345 = 282
282 ÷ 345 = 0.8173913043478261
0.8173913043478261 x 100 = 81.74%