-99.89% is the change from 950 to 1
Calculation steps:
[( 1 - 950 ) ÷ 950] x 100 = -99.89%
Formula
Percentage change = [(1 - 950) / 950] x 100
Subtract the new number by the original number
1 - 950 = -949
-949 ÷ 950 = -0.9989473684210526
-0.9989473684210526 x 100 = -99.89%