-81.75% is the change from 970 to 177
Calculation steps:
[( 177 - 970 ) ÷ 970] x 100 = -81.75%
Formula
Percentage change = [(177 - 970) / 970] x 100
Subtract the new number by the original number
177 - 970 = -793
-793 ÷ 970 = -0.8175257731958763
-0.8175257731958763 x 100 = -81.75%