-51.37% is the change from 547 to 266
Calculation steps:
[( 266 - 547 ) ÷ 547] x 100 = -51.37%
Formula
Percentage change = [(266 - 547) / 547] x 100
Subtract the new number by the original number
266 - 547 = -281
-281 ÷ 547 = -0.5137111517367459
-0.5137111517367459 x 100 = -51.37%