991.36% is the change from 81 to 884
Calculation steps:
[( 884 - 81 ) ÷ 81] x 100 = 991.36%
Formula
Percentage change = [(884 - 81) / 81] x 100
Subtract the new number by the original number
884 - 81 = 803
803 ÷ 81 = 9.91358024691358
9.91358024691358 x 100 = 991.36%