-35.13% is the change from 427 to 277
Calculation steps:
[( 277 - 427 ) ÷ 427] x 100 = -35.13%
Formula
Percentage change = [(277 - 427) / 427] x 100
Subtract the new number by the original number
277 - 427 = -150
-150 ÷ 427 = -0.351288056206089
-0.351288056206089 x 100 = -35.13%