399.27% is the change from 137 to 684
Calculation steps:
[( 684 - 137 ) ÷ 137] x 100 = 399.27%
Formula
Percentage change = [(684 - 137) / 137] x 100
Subtract the new number by the original number
684 - 137 = 547
547 ÷ 137 = 3.9927007299270074
3.9927007299270074 x 100 = 399.27%