200% is the change from 319 to 957
Calculation steps:
[( 957 - 319 ) ÷ 319] x 100 = 200%
Formula
Percentage change = [(957 - 319) / 319] x 100
Subtract the new number by the original number
957 - 319 = 638
638 ÷ 319 = 2
2 x 100 = 200%
Example