-80% is the change from 955 to 191
Calculation steps:
[( 191 - 955 ) ÷ 955] x 100 = -80%
Formula
Percentage change = [(191 - 955) / 955] x 100
Subtract the new number by the original number
191 - 955 = -764
-764 ÷ 955 = -0.8
-0.8 x 100 = -80%
Example