147.62% is the change from 126 to 312
Calculation steps:
[( 312 - 126 ) ÷ 126] x 100 = 147.62%
Formula
Percentage change = [(312 - 126) / 126] x 100
Subtract the new number by the original number
312 - 126 = 186
186 ÷ 126 = 1.4761904761904763
1.4761904761904763 x 100 = 147.62%