-71.94% is the change from 916 to 257
Calculation steps:
[( 257 - 916 ) ÷ 916] x 100 = -71.94%
Formula
Percentage change = [(257 - 916) / 916] x 100
Subtract the new number by the original number
257 - 916 = -659
-659 ÷ 916 = -0.7194323144104804
-0.7194323144104804 x 100 = -71.94%