14142.86% is the change from 7 to 997
Calculation steps:
[( 997 - 7 ) ÷ 7] x 100 = 14142.86%
Formula
Percentage change = [(997 - 7) / 7] x 100
Subtract the new number by the original number
997 - 7 = 990
990 ÷ 7 = 141.42857142857142
141.42857142857142 x 100 = 14142.86%