-76.55% is the change from 823 to 193
Calculation steps:
[( 193 - 823 ) ÷ 823] x 100 = -76.55%
Formula
Percentage change = [(193 - 823) / 823] x 100
Subtract the new number by the original number
193 - 823 = -630
-630 ÷ 823 = -0.7654921020656136
-0.7654921020656136 x 100 = -76.55%