-53.38% is the change from 547 to 255
Calculation steps:
[( 255 - 547 ) ÷ 547] x 100 = -53.38%
Formula
Percentage change = [(255 - 547) / 547] x 100
Subtract the new number by the original number
255 - 547 = -292
-292 ÷ 547 = -0.5338208409506399
-0.5338208409506399 x 100 = -53.38%