71.14% is the change from 149 to 255
Calculation steps:
[( 255 - 149 ) ÷ 149] x 100 = 71.14%
Formula
Percentage change = [(255 - 149) / 149] x 100
Subtract the new number by the original number
255 - 149 = 106
106 ÷ 149 = 0.7114093959731543
0.7114093959731543 x 100 = 71.14%