-71.23% is the change from 497 to 143
Calculation steps:
[( 143 - 497 ) ÷ 497] x 100 = -71.23%
Formula
Percentage change = [(143 - 497) / 497] x 100
Subtract the new number by the original number
143 - 497 = -354
-354 ÷ 497 = -0.7122736418511066
-0.7122736418511066 x 100 = -71.23%