-70.82% is the change from 490 to 143
Calculation steps:
[( 143 - 490 ) ÷ 490] x 100 = -70.82%
Formula
Percentage change = [(143 - 490) / 490] x 100
Subtract the new number by the original number
143 - 490 = -347
-347 ÷ 490 = -0.7081632653061225
-0.7081632653061225 x 100 = -70.82%