1129.63% is the change from 81 to 996
Calculation steps:
[( 996 - 81 ) ÷ 81] x 100 = 1129.63%
Formula
Percentage change = [(996 - 81) / 81] x 100
Subtract the new number by the original number
996 - 81 = 915
915 ÷ 81 = 11.296296296296296
11.296296296296296 x 100 = 1129.63%