-43% is the change from 486 to 277
Calculation steps:
[( 277 - 486 ) ÷ 486] x 100 = -43%
Formula
Percentage change = [(277 - 486) / 486] x 100
Subtract the new number by the original number
277 - 486 = -209
-209 ÷ 486 = -0.43004115226337447
-0.43004115226337447 x 100 = -43%