-51.41% is the change from 498 to 242
Calculation steps:
[( 242 - 498 ) ÷ 498] x 100 = -51.41%
Formula
Percentage change = [(242 - 498) / 498] x 100
Subtract the new number by the original number
242 - 498 = -256
-256 ÷ 498 = -0.5140562248995983
-0.5140562248995983 x 100 = -51.41%