-70.64% is the change from 487 to 143
Calculation steps:
[( 143 - 487 ) ÷ 487] x 100 = -70.64%
Formula
Percentage change = [(143 - 487) / 487] x 100
Subtract the new number by the original number
143 - 487 = -344
-344 ÷ 487 = -0.7063655030800822
-0.7063655030800822 x 100 = -70.64%