-71.05% is the change from 494 to 143
Calculation steps:
[( 143 - 494 ) ÷ 494] x 100 = -71.05%
Formula
Percentage change = [(143 - 494) / 494] x 100
Subtract the new number by the original number
143 - 494 = -351
-351 ÷ 494 = -0.7105263157894737
-0.7105263157894737 x 100 = -71.05%