-60% is the change from 230 to 92
Calculation steps:
[( 92 - 230 ) ÷ 230] x 100 = -60%
Formula
Percentage change = [(92 - 230) / 230] x 100
Subtract the new number by the original number
92 - 230 = -138
-138 ÷ 230 = -0.6
-0.6 x 100 = -60%
Example