376.87% is the change from 134 to 639
Calculation steps:
[( 639 - 134 ) ÷ 134] x 100 = 376.87%
Formula
Percentage change = [(639 - 134) / 134] x 100
Subtract the new number by the original number
639 - 134 = 505
505 ÷ 134 = 3.7686567164179103
3.7686567164179103 x 100 = 376.87%