45.83% is the change from 528 to 770
Calculation steps:
[( 770 - 528 ) ÷ 528] x 100 = 45.83%
Formula
Percentage change = [(770 - 528) / 528] x 100
Subtract the new number by the original number
770 - 528 = 242
242 ÷ 528 = 0.4583333333333333
0.4583333333333333 x 100 = 45.83%