837.86% is the change from 103 to 966
Calculation steps:
[( 966 - 103 ) ÷ 103] x 100 = 837.86%
Formula
Percentage change = [(966 - 103) / 103] x 100
Subtract the new number by the original number
966 - 103 = 863
863 ÷ 103 = 8.37864077669903
8.37864077669903 x 100 = 837.86%