-51.11% is the change from 497 to 243
Calculation steps:
[( 243 - 497 ) ÷ 497] x 100 = -51.11%
Formula
Percentage change = [(243 - 497) / 497] x 100
Subtract the new number by the original number
243 - 497 = -254
-254 ÷ 497 = -0.5110663983903421
-0.5110663983903421 x 100 = -51.11%