-41.35% is the change from 936 to 549
Calculation steps:
[( 549 - 936 ) ÷ 936] x 100 = -41.35%
Formula
Percentage change = [(549 - 936) / 936] x 100
Subtract the new number by the original number
549 - 936 = -387
-387 ÷ 936 = -0.41346153846153844
-0.41346153846153844 x 100 = -41.35%