2297.06% is the change from 34 to 815
Calculation steps:
[( 815 - 34 ) ÷ 34] x 100 = 2297.06%
Formula
Percentage change = [(815 - 34) / 34] x 100
Subtract the new number by the original number
815 - 34 = 781
781 ÷ 34 = 22.970588235294116
22.970588235294116 x 100 = 2297.06%