-8.28% is the change from 302 to 277
Calculation steps:
[( 277 - 302 ) ÷ 302] x 100 = -8.28%
Formula
Percentage change = [(277 - 302) / 302] x 100
Subtract the new number by the original number
277 - 302 = -25
-25 ÷ 302 = -0.08278145695364239
-0.08278145695364239 x 100 = -8.28%