-60.24% is the change from 679 to 270
Calculation steps:
[( 270 - 679 ) ÷ 679] x 100 = -60.24%
Formula
Percentage change = [(270 - 679) / 679] x 100
Subtract the new number by the original number
270 - 679 = -409
-409 ÷ 679 = -0.6023564064801178
-0.6023564064801178 x 100 = -60.24%