-18.94% is the change from 977 to 792
Calculation steps:
[( 792 - 977 ) ÷ 977] x 100 = -18.94%
Formula
Percentage change = [(792 - 977) / 977] x 100
Subtract the new number by the original number
792 - 977 = -185
-185 ÷ 977 = -0.18935516888433981
-0.18935516888433981 x 100 = -18.94%