55.75% is the change from 339 to 528
Calculation steps:
[( 528 - 339 ) ÷ 339] x 100 = 55.75%
Formula
Percentage change = [(528 - 339) / 339] x 100
Subtract the new number by the original number
528 - 339 = 189
189 ÷ 339 = 0.5575221238938053
0.5575221238938053 x 100 = 55.75%