135.38% is the change from 390 to 918
Calculation steps:
[( 918 - 390 ) ÷ 390] x 100 = 135.38%
Formula
Percentage change = [(918 - 390) / 390] x 100
Subtract the new number by the original number
918 - 390 = 528
528 ÷ 390 = 1.353846153846154
1.353846153846154 x 100 = 135.38%