-91.74% is the change from 230 to 19
Calculation steps:
[( 19 - 230 ) ÷ 230] x 100 = -91.74%
Formula
Percentage change = [(19 - 230) / 230] x 100
Subtract the new number by the original number
19 - 230 = -211
-211 ÷ 230 = -0.9173913043478261
-0.9173913043478261 x 100 = -91.74%