-58.02% is the change from 131 to 55
Calculation steps:
[( 55 - 131 ) ÷ 131] x 100 = -58.02%
Formula
Percentage change = [(55 - 131) / 131] x 100
Subtract the new number by the original number
55 - 131 = -76
-76 ÷ 131 = -0.5801526717557252
-0.5801526717557252 x 100 = -58.02%