-51.2% is the change from 498 to 243
Calculation steps:
[( 243 - 498 ) ÷ 498] x 100 = -51.2%
Formula
Percentage change = [(243 - 498) / 498] x 100
Subtract the new number by the original number
243 - 498 = -255
-255 ÷ 498 = -0.5120481927710844
-0.5120481927710844 x 100 = -51.2%