-59.45% is the change from 688 to 279
Calculation steps:
[( 279 - 688 ) ÷ 688] x 100 = -59.45%
Formula
Percentage change = [(279 - 688) / 688] x 100
Subtract the new number by the original number
279 - 688 = -409
-409 ÷ 688 = -0.5944767441860465
-0.5944767441860465 x 100 = -59.45%