-75.59% is the change from 549 to 134
Calculation steps:
[( 134 - 549 ) ÷ 549] x 100 = -75.59%
Formula
Percentage change = [(134 - 549) / 549] x 100
Subtract the new number by the original number
134 - 549 = -415
-415 ÷ 549 = -0.75591985428051
-0.75591985428051 x 100 = -75.59%