2450% is the change from 34 to 867
Calculation steps:
[( 867 - 34 ) ÷ 34] x 100 = 2450%
Formula
Percentage change = [(867 - 34) / 34] x 100
Subtract the new number by the original number
867 - 34 = 833
833 ÷ 34 = 24.5
24.5 x 100 = 2450%
Example