-82.3% is the change from 243 to 43
Calculation steps:
[( 43 - 243 ) ÷ 243] x 100 = -82.3%
Formula
Percentage change = [(43 - 243) / 243] x 100
Subtract the new number by the original number
43 - 243 = -200
-200 ÷ 243 = -0.823045267489712
-0.823045267489712 x 100 = -82.3%