-15.43% is the change from 311 to 263
Calculation steps:
[( 263 - 311 ) ÷ 311] x 100 = -15.43%
Formula
Percentage change = [(263 - 311) / 311] x 100
Subtract the new number by the original number
263 - 311 = -48
-48 ÷ 311 = -0.15434083601286175
-0.15434083601286175 x 100 = -15.43%