-55.99% is the change from 634 to 279
Calculation steps:
[( 279 - 634 ) ÷ 634] x 100 = -55.99%
Formula
Percentage change = [(279 - 634) / 634] x 100
Subtract the new number by the original number
279 - 634 = -355
-355 ÷ 634 = -0.5599369085173501
-0.5599369085173501 x 100 = -55.99%