-81.3% is the change from 230 to 43
Calculation steps:
[( 43 - 230 ) ÷ 230] x 100 = -81.3%
Formula
Percentage change = [(43 - 230) / 230] x 100
Subtract the new number by the original number
43 - 230 = -187
-187 ÷ 230 = -0.8130434782608695
-0.8130434782608695 x 100 = -81.3%