-50.18% is the change from 548 to 273
Calculation steps:
[( 273 - 548 ) ÷ 548] x 100 = -50.18%
Formula
Percentage change = [(273 - 548) / 548] x 100
Subtract the new number by the original number
273 - 548 = -275
-275 ÷ 548 = -0.5018248175182481
-0.5018248175182481 x 100 = -50.18%