-49.72% is the change from 529 to 266
Calculation steps:
[( 266 - 529 ) ÷ 529] x 100 = -49.72%
Formula
Percentage change = [(266 - 529) / 529] x 100
Subtract the new number by the original number
266 - 529 = -263
-263 ÷ 529 = -0.497164461247637
-0.497164461247637 x 100 = -49.72%