102.6% is the change from 154 to 312
Calculation steps:
[( 312 - 154 ) ÷ 154] x 100 = 102.6%
Formula
Percentage change = [(312 - 154) / 154] x 100
Subtract the new number by the original number
312 - 154 = 158
158 ÷ 154 = 1.025974025974026
1.025974025974026 x 100 = 102.6%