147.57% is the change from 103 to 255
Calculation steps:
[( 255 - 103 ) ÷ 103] x 100 = 147.57%
Formula
Percentage change = [(255 - 103) / 103] x 100
Subtract the new number by the original number
255 - 103 = 152
152 ÷ 103 = 1.4757281553398058
1.4757281553398058 x 100 = 147.57%