-69.83% is the change from 928 to 280
Calculation steps:
[( 280 - 928 ) ÷ 928] x 100 = -69.83%
Formula
Percentage change = [(280 - 928) / 928] x 100
Subtract the new number by the original number
280 - 928 = -648
-648 ÷ 928 = -0.6982758620689655
-0.6982758620689655 x 100 = -69.83%