-29.46% is the change from 387 to 273
Calculation steps:
[( 273 - 387 ) ÷ 387] x 100 = -29.46%
Formula
Percentage change = [(273 - 387) / 387] x 100
Subtract the new number by the original number
273 - 387 = -114
-114 ÷ 387 = -0.29457364341085274
-0.29457364341085274 x 100 = -29.46%