-78.43% is the change from 663 to 143
Calculation steps:
[( 143 - 663 ) ÷ 663] x 100 = -78.43%
Formula
Percentage change = [(143 - 663) / 663] x 100
Subtract the new number by the original number
143 - 663 = -520
-520 ÷ 663 = -0.7843137254901961
-0.7843137254901961 x 100 = -78.43%