53.04% is the change from 345 to 528
Calculation steps:
[( 528 - 345 ) ÷ 345] x 100 = 53.04%
Formula
Percentage change = [(528 - 345) / 345] x 100
Subtract the new number by the original number
528 - 345 = 183
183 ÷ 345 = 0.5304347826086957
0.5304347826086957 x 100 = 53.04%