-73.52% is the change from 540 to 143
Calculation steps:
[( 143 - 540 ) ÷ 540] x 100 = -73.52%
Formula
Percentage change = [(143 - 540) / 540] x 100
Subtract the new number by the original number
143 - 540 = -397
-397 ÷ 540 = -0.7351851851851852
-0.7351851851851852 x 100 = -73.52%