-67.58% is the change from 549 to 178
Calculation steps:
[( 178 - 549 ) ÷ 549] x 100 = -67.58%
Formula
Percentage change = [(178 - 549) / 549] x 100
Subtract the new number by the original number
178 - 549 = -371
-371 ÷ 549 = -0.6757741347905283
-0.6757741347905283 x 100 = -67.58%