-7.05% is the change from 298 to 277
Calculation steps:
[( 277 - 298 ) ÷ 298] x 100 = -7.05%
Formula
Percentage change = [(277 - 298) / 298] x 100
Subtract the new number by the original number
277 - 298 = -21
-21 ÷ 298 = -0.07046979865771812
-0.07046979865771812 x 100 = -7.05%