-31.33% is the change from 549 to 377
Calculation steps:
[( 377 - 549 ) ÷ 549] x 100 = -31.33%
Formula
Percentage change = [(377 - 549) / 549] x 100
Subtract the new number by the original number
377 - 549 = -172
-172 ÷ 549 = -0.3132969034608379
-0.3132969034608379 x 100 = -31.33%