-71.43% is the change from 497 to 142
Calculation steps:
[( 142 - 497 ) ÷ 497] x 100 = -71.43%
Formula
Percentage change = [(142 - 497) / 497] x 100
Subtract the new number by the original number
142 - 497 = -355
-355 ÷ 497 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%