-23.51% is the change from 251 to 192
Calculation steps:
[( 192 - 251 ) ÷ 251] x 100 = -23.51%
Formula
Percentage change = [(192 - 251) / 251] x 100
Subtract the new number by the original number
192 - 251 = -59
-59 ÷ 251 = -0.2350597609561753
-0.2350597609561753 x 100 = -23.51%