-78.63% is the change from 131 to 28
Calculation steps:
[( 28 - 131 ) ÷ 131] x 100 = -78.63%
Formula
Percentage change = [(28 - 131) / 131] x 100
Subtract the new number by the original number
28 - 131 = -103
-103 ÷ 131 = -0.7862595419847328
-0.7862595419847328 x 100 = -78.63%