113.46% is the change from 312 to 666
Calculation steps:
[( 666 - 312 ) ÷ 312] x 100 = 113.46%
Formula
Percentage change = [(666 - 312) / 312] x 100
Subtract the new number by the original number
666 - 312 = 354
354 ÷ 312 = 1.1346153846153846
1.1346153846153846 x 100 = 113.46%