69.23% is the change from 377 to 638
Calculation steps:
[( 638 - 377 ) ÷ 377] x 100 = 69.23%
Formula
Percentage change = [(638 - 377) / 377] x 100
Subtract the new number by the original number
638 - 377 = 261
261 ÷ 377 = 0.6923076923076923
0.6923076923076923 x 100 = 69.23%