2117.07% is the change from 41 to 909
Calculation steps:
[( 909 - 41 ) ÷ 41] x 100 = 2117.07%
Formula
Percentage change = [(909 - 41) / 41] x 100
Subtract the new number by the original number
909 - 41 = 868
868 ÷ 41 = 21.170731707317074
21.170731707317074 x 100 = 2117.07%