384.4% is the change from 109 to 528
Calculation steps:
[( 528 - 109 ) ÷ 109] x 100 = 384.4%
Formula
Percentage change = [(528 - 109) / 109] x 100
Subtract the new number by the original number
528 - 109 = 419
419 ÷ 109 = 3.8440366972477062
3.8440366972477062 x 100 = 384.4%