-67.59% is the change from 793 to 257
Calculation steps:
[( 257 - 793 ) ÷ 793] x 100 = -67.59%
Formula
Percentage change = [(257 - 793) / 793] x 100
Subtract the new number by the original number
257 - 793 = -536
-536 ÷ 793 = -0.6759142496847415
-0.6759142496847415 x 100 = -67.59%