-80.45% is the change from 977 to 191
Calculation steps:
[( 191 - 977 ) ÷ 977] x 100 = -80.45%
Formula
Percentage change = [(191 - 977) / 977] x 100
Subtract the new number by the original number
191 - 977 = -786
-786 ÷ 977 = -0.804503582395087
-0.804503582395087 x 100 = -80.45%