-99.57% is the change from 922 to 4
Calculation steps:
[( 4 - 922 ) ÷ 922] x 100 = -99.57%
Formula
Percentage change = [(4 - 922) / 922] x 100
Subtract the new number by the original number
4 - 922 = -918
-918 ÷ 922 = -0.9956616052060737
-0.9956616052060737 x 100 = -99.57%