-49.48% is the change from 192 to 97
Calculation steps:
[( 97 - 192 ) ÷ 192] x 100 = -49.48%
Formula
Percentage change = [(97 - 192) / 192] x 100
Subtract the new number by the original number
97 - 192 = -95
-95 ÷ 192 = -0.4947916666666667
-0.4947916666666667 x 100 = -49.48%