-88.02% is the change from 977 to 117
Calculation steps:
[( 117 - 977 ) ÷ 977] x 100 = -88.02%
Formula
Percentage change = [(117 - 977) / 977] x 100
Subtract the new number by the original number
117 - 977 = -860
-860 ÷ 977 = -0.8802456499488229
-0.8802456499488229 x 100 = -88.02%