-77.91% is the change from 869 to 192
Calculation steps:
[( 192 - 869 ) ÷ 869] x 100 = -77.91%
Formula
Percentage change = [(192 - 869) / 869] x 100
Subtract the new number by the original number
192 - 869 = -677
-677 ÷ 869 = -0.7790563866513234
-0.7790563866513234 x 100 = -77.91%