-79.04% is the change from 768 to 161
Calculation steps:
[( 161 - 768 ) ÷ 768] x 100 = -79.04%
Formula
Percentage change = [(161 - 768) / 768] x 100
Subtract the new number by the original number
161 - 768 = -607
-607 ÷ 768 = -0.7903645833333334
-0.7903645833333334 x 100 = -79.04%