-79.98% is the change from 959 to 192
Calculation steps:
[( 192 - 959 ) ÷ 959] x 100 = -79.98%
Formula
Percentage change = [(192 - 959) / 959] x 100
Subtract the new number by the original number
192 - 959 = -767
-767 ÷ 959 = -0.799791449426486
-0.799791449426486 x 100 = -79.98%