-54.22% is the change from 581 to 266
Calculation steps:
[( 266 - 581 ) ÷ 581] x 100 = -54.22%
Formula
Percentage change = [(266 - 581) / 581] x 100
Subtract the new number by the original number
266 - 581 = -315
-315 ÷ 581 = -0.5421686746987951
-0.5421686746987951 x 100 = -54.22%