3534.78% is the change from 23 to 836
Calculation steps:
[( 836 - 23 ) ÷ 23] x 100 = 3534.78%
Formula
Percentage change = [(836 - 23) / 23] x 100
Subtract the new number by the original number
836 - 23 = 813
813 ÷ 23 = 35.34782608695652
35.34782608695652 x 100 = 3534.78%