-15.16% is the change from 277 to 235
Calculation steps:
[( 235 - 277 ) ÷ 277] x 100 = -15.16%
Formula
Percentage change = [(235 - 277) / 277] x 100
Subtract the new number by the original number
235 - 277 = -42
-42 ÷ 277 = -0.15162454873646208
-0.15162454873646208 x 100 = -15.16%