-49.21% is the change from 378 to 192
Calculation steps:
[( 192 - 378 ) ÷ 378] x 100 = -49.21%
Formula
Percentage change = [(192 - 378) / 378] x 100
Subtract the new number by the original number
192 - 378 = -186
-186 ÷ 378 = -0.49206349206349204
-0.49206349206349204 x 100 = -49.21%