-99.89% is the change from 940 to 1
Calculation steps:
[( 1 - 940 ) ÷ 940] x 100 = -99.89%
Formula
Percentage change = [(1 - 940) / 940] x 100
Subtract the new number by the original number
1 - 940 = -939
-939 ÷ 940 = -0.9989361702127659
-0.9989361702127659 x 100 = -99.89%