151.8% is the change from 388 to 977
Calculation steps:
[( 977 - 388 ) ÷ 388] x 100 = 151.8%
Formula
Percentage change = [(977 - 388) / 388] x 100
Subtract the new number by the original number
977 - 388 = 589
589 ÷ 388 = 1.518041237113402
1.518041237113402 x 100 = 151.8%