-39.67% is the change from 910 to 549
Calculation steps:
[( 549 - 910 ) ÷ 910] x 100 = -39.67%
Formula
Percentage change = [(549 - 910) / 910] x 100
Subtract the new number by the original number
549 - 910 = -361
-361 ÷ 910 = -0.3967032967032967
-0.3967032967032967 x 100 = -39.67%