142.97% is the change from 263 to 639
Calculation steps:
[( 639 - 263 ) ÷ 263] x 100 = 142.97%
Formula
Percentage change = [(639 - 263) / 263] x 100
Subtract the new number by the original number
639 - 263 = 376
376 ÷ 263 = 1.429657794676806
1.429657794676806 x 100 = 142.97%