150.77% is the change from 390 to 978
Calculation steps:
[( 978 - 390 ) ÷ 390] x 100 = 150.77%
Formula
Percentage change = [(978 - 390) / 390] x 100
Subtract the new number by the original number
978 - 390 = 588
588 ÷ 390 = 1.5076923076923077
1.5076923076923077 x 100 = 150.77%