-70.19% is the change from 936 to 279
Calculation steps:
[( 279 - 936 ) ÷ 936] x 100 = -70.19%
Formula
Percentage change = [(279 - 936) / 936] x 100
Subtract the new number by the original number
279 - 936 = -657
-657 ÷ 936 = -0.7019230769230769
-0.7019230769230769 x 100 = -70.19%