117.35% is the change from 294 to 639
Calculation steps:
[( 639 - 294 ) ÷ 294] x 100 = 117.35%
Formula
Percentage change = [(639 - 294) / 294] x 100
Subtract the new number by the original number
639 - 294 = 345
345 ÷ 294 = 1.1734693877551021
1.1734693877551021 x 100 = 117.35%