133.59% is the change from 390 to 911
Calculation steps:
[( 911 - 390 ) ÷ 390] x 100 = 133.59%
Formula
Percentage change = [(911 - 390) / 390] x 100
Subtract the new number by the original number
911 - 390 = 521
521 ÷ 390 = 1.3358974358974358
1.3358974358974358 x 100 = 133.59%