-97.92% is the change from 192 to 4
Calculation steps:
[( 4 - 192 ) ÷ 192] x 100 = -97.92%
Formula
Percentage change = [(4 - 192) / 192] x 100
Subtract the new number by the original number
4 - 192 = -188
-188 ÷ 192 = -0.9791666666666666
-0.9791666666666666 x 100 = -97.92%