-69.67% is the change from 920 to 279
Calculation steps:
[( 279 - 920 ) ÷ 920] x 100 = -69.67%
Formula
Percentage change = [(279 - 920) / 920] x 100
Subtract the new number by the original number
279 - 920 = -641
-641 ÷ 920 = -0.6967391304347826
-0.6967391304347826 x 100 = -69.67%