676.56% is the change from 128 to 994
Calculation steps:
[( 994 - 128 ) ÷ 128] x 100 = 676.56%
Formula
Percentage change = [(994 - 128) / 128] x 100
Subtract the new number by the original number
994 - 128 = 866
866 ÷ 128 = 6.765625
6.765625 x 100 = 676.56%