-59.74% is the change from 231 to 93
Calculation steps:
[( 93 - 231 ) ÷ 231] x 100 = -59.74%
Formula
Percentage change = [(93 - 231) / 231] x 100
Subtract the new number by the original number
93 - 231 = -138
-138 ÷ 231 = -0.5974025974025974
-0.5974025974025974 x 100 = -59.74%