-72.43% is the change from 515 to 142
Calculation steps:
[( 142 - 515 ) ÷ 515] x 100 = -72.43%
Formula
Percentage change = [(142 - 515) / 515] x 100
Subtract the new number by the original number
142 - 515 = -373
-373 ÷ 515 = -0.7242718446601941
-0.7242718446601941 x 100 = -72.43%