-69.86% is the change from 929 to 280
Calculation steps:
[( 280 - 929 ) ÷ 929] x 100 = -69.86%
Formula
Percentage change = [(280 - 929) / 929] x 100
Subtract the new number by the original number
280 - 929 = -649
-649 ÷ 929 = -0.6986006458557589
-0.6986006458557589 x 100 = -69.86%