-49.16% is the change from 537 to 273
Calculation steps:
[( 273 - 537 ) ÷ 537] x 100 = -49.16%
Formula
Percentage change = [(273 - 537) / 537] x 100
Subtract the new number by the original number
273 - 537 = -264
-264 ÷ 537 = -0.49162011173184356
-0.49162011173184356 x 100 = -49.16%