-43.23% is the change from 192 to 109
Calculation steps:
[( 109 - 192 ) ÷ 192] x 100 = -43.23%
Formula
Percentage change = [(109 - 192) / 192] x 100
Subtract the new number by the original number
109 - 192 = -83
-83 ÷ 192 = -0.4322916666666667
-0.4322916666666667 x 100 = -43.23%