390.58% is the change from 138 to 677
Calculation steps:
[( 677 - 138 ) ÷ 138] x 100 = 390.58%
Formula
Percentage change = [(677 - 138) / 138] x 100
Subtract the new number by the original number
677 - 138 = 539
539 ÷ 138 = 3.9057971014492754
3.9057971014492754 x 100 = 390.58%