74.66% is the change from 146 to 255
Calculation steps:
[( 255 - 146 ) ÷ 146] x 100 = 74.66%
Formula
Percentage change = [(255 - 146) / 146] x 100
Subtract the new number by the original number
255 - 146 = 109
109 ÷ 146 = 0.7465753424657534
0.7465753424657534 x 100 = 74.66%