-66.19% is the change from 423 to 143
Calculation steps:
[( 143 - 423 ) ÷ 423] x 100 = -66.19%
Formula
Percentage change = [(143 - 423) / 423] x 100
Subtract the new number by the original number
143 - 423 = -280
-280 ÷ 423 = -0.6619385342789598
-0.6619385342789598 x 100 = -66.19%