392.31% is the change from 130 to 640
Calculation steps:
[( 640 - 130 ) ÷ 130] x 100 = 392.31%
Formula
Percentage change = [(640 - 130) / 130] x 100
Subtract the new number by the original number
640 - 130 = 510
510 ÷ 130 = 3.923076923076923
3.923076923076923 x 100 = 392.31%