1101.2% is the change from 83 to 997
Calculation steps:
[( 997 - 83 ) ÷ 83] x 100 = 1101.2%
Formula
Percentage change = [(997 - 83) / 83] x 100
Subtract the new number by the original number
997 - 83 = 914
914 ÷ 83 = 11.012048192771084
11.012048192771084 x 100 = 1101.2%