-69.43% is the change from 916 to 280
Calculation steps:
[( 280 - 916 ) ÷ 916] x 100 = -69.43%
Formula
Percentage change = [(280 - 916) / 916] x 100
Subtract the new number by the original number
280 - 916 = -636
-636 ÷ 916 = -0.6943231441048034
-0.6943231441048034 x 100 = -69.43%