-70.51% is the change from 797 to 235
Calculation steps:
[( 235 - 797 ) ÷ 797] x 100 = -70.51%
Formula
Percentage change = [(235 - 797) / 797] x 100
Subtract the new number by the original number
235 - 797 = -562
-562 ÷ 797 = -0.7051442910915935
-0.7051442910915935 x 100 = -70.51%