-99.57% is the change from 930 to 4
Calculation steps:
[( 4 - 930 ) ÷ 930] x 100 = -99.57%
Formula
Percentage change = [(4 - 930) / 930] x 100
Subtract the new number by the original number
4 - 930 = -926
-926 ÷ 930 = -0.9956989247311828
-0.9956989247311828 x 100 = -99.57%