-82.18% is the change from 797 to 142
Calculation steps:
[( 142 - 797 ) ÷ 797] x 100 = -82.18%
Formula
Percentage change = [(142 - 797) / 797] x 100
Subtract the new number by the original number
142 - 797 = -655
-655 ÷ 797 = -0.821831869510665
-0.821831869510665 x 100 = -82.18%