383.94% is the change from 137 to 663
Calculation steps:
[( 663 - 137 ) ÷ 137] x 100 = 383.94%
Formula
Percentage change = [(663 - 137) / 137] x 100
Subtract the new number by the original number
663 - 137 = 526
526 ÷ 137 = 3.8394160583941606
3.8394160583941606 x 100 = 383.94%