-72.05% is the change from 916 to 256
Calculation steps:
[( 256 - 916 ) ÷ 916] x 100 = -72.05%
Formula
Percentage change = [(256 - 916) / 916] x 100
Subtract the new number by the original number
256 - 916 = -660
-660 ÷ 916 = -0.7205240174672489
-0.7205240174672489 x 100 = -72.05%