-76.81% is the change from 828 to 192
Calculation steps:
[( 192 - 828 ) ÷ 828] x 100 = -76.81%
Formula
Percentage change = [(192 - 828) / 828] x 100
Subtract the new number by the original number
192 - 828 = -636
-636 ÷ 828 = -0.7681159420289855
-0.7681159420289855 x 100 = -76.81%