-67.59% is the change from 790 to 256
Calculation steps:
[( 256 - 790 ) ÷ 790] x 100 = -67.59%
Formula
Percentage change = [(256 - 790) / 790] x 100
Subtract the new number by the original number
256 - 790 = -534
-534 ÷ 790 = -0.6759493670886076
-0.6759493670886076 x 100 = -67.59%