-70.52% is the change from 916 to 270
Calculation steps:
[( 270 - 916 ) ÷ 916] x 100 = -70.52%
Formula
Percentage change = [(270 - 916) / 916] x 100
Subtract the new number by the original number
270 - 916 = -646
-646 ÷ 916 = -0.7052401746724891
-0.7052401746724891 x 100 = -70.52%