113.71% is the change from 299 to 639
Calculation steps:
[( 639 - 299 ) ÷ 299] x 100 = 113.71%
Formula
Percentage change = [(639 - 299) / 299] x 100
Subtract the new number by the original number
639 - 299 = 340
340 ÷ 299 = 1.137123745819398
1.137123745819398 x 100 = 113.71%