-79.42% is the change from 243 to 50
Calculation steps:
[( 50 - 243 ) ÷ 243] x 100 = -79.42%
Formula
Percentage change = [(50 - 243) / 243] x 100
Subtract the new number by the original number
50 - 243 = -193
-193 ÷ 243 = -0.7942386831275721
-0.7942386831275721 x 100 = -79.42%