-54.69% is the change from 192 to 87
Calculation steps:
[( 87 - 192 ) ÷ 192] x 100 = -54.69%
Formula
Percentage change = [(87 - 192) / 192] x 100
Subtract the new number by the original number
87 - 192 = -105
-105 ÷ 192 = -0.546875
-0.546875 x 100 = -54.69%