-76.47% is the change from 816 to 192
Calculation steps:
[( 192 - 816 ) ÷ 816] x 100 = -76.47%
Formula
Percentage change = [(192 - 816) / 816] x 100
Subtract the new number by the original number
192 - 816 = -624
-624 ÷ 816 = -0.7647058823529411
-0.7647058823529411 x 100 = -76.47%