45.49% is the change from 255 to 371
Calculation steps:
[( 371 - 255 ) ÷ 255] x 100 = 45.49%
Formula
Percentage change = [(371 - 255) / 255] x 100
Subtract the new number by the original number
371 - 255 = 116
116 ÷ 255 = 0.4549019607843137
0.4549019607843137 x 100 = 45.49%