-50.1% is the change from 487 to 243
Calculation steps:
[( 243 - 487 ) ÷ 487] x 100 = -50.1%
Formula
Percentage change = [(243 - 487) / 487] x 100
Subtract the new number by the original number
243 - 487 = -244
-244 ÷ 487 = -0.5010266940451745
-0.5010266940451745 x 100 = -50.1%