-31.27% is the change from 371 to 255
Calculation steps:
[( 255 - 371 ) ÷ 371] x 100 = -31.27%
Formula
Percentage change = [(255 - 371) / 371] x 100
Subtract the new number by the original number
255 - 371 = -116
-116 ÷ 371 = -0.31266846361185985
-0.31266846361185985 x 100 = -31.27%