-43.53% is the change from 340 to 192
Calculation steps:
[( 192 - 340 ) ÷ 340] x 100 = -43.53%
Formula
Percentage change = [(192 - 340) / 340] x 100
Subtract the new number by the original number
192 - 340 = -148
-148 ÷ 340 = -0.43529411764705883
-0.43529411764705883 x 100 = -43.53%