-45.49% is the change from 488 to 266
Calculation steps:
[( 266 - 488 ) ÷ 488] x 100 = -45.49%
Formula
Percentage change = [(266 - 488) / 488] x 100
Subtract the new number by the original number
266 - 488 = -222
-222 ÷ 488 = -0.45491803278688525
-0.45491803278688525 x 100 = -45.49%