284.94% is the change from 259 to 997
Calculation steps:
[( 997 - 259 ) ÷ 259] x 100 = 284.94%
Formula
Percentage change = [(997 - 259) / 259] x 100
Subtract the new number by the original number
997 - 259 = 738
738 ÷ 259 = 2.8494208494208495
2.8494208494208495 x 100 = 284.94%