-67.71% is the change from 796 to 257
Calculation steps:
[( 257 - 796 ) ÷ 796] x 100 = -67.71%
Formula
Percentage change = [(257 - 796) / 796] x 100
Subtract the new number by the original number
257 - 796 = -539
-539 ÷ 796 = -0.6771356783919598
-0.6771356783919598 x 100 = -67.71%