47.23% is the change from 523 to 770
Calculation steps:
[( 770 - 523 ) ÷ 523] x 100 = 47.23%
Formula
Percentage change = [(770 - 523) / 523] x 100
Subtract the new number by the original number
770 - 523 = 247
247 ÷ 523 = 0.4722753346080306
0.4722753346080306 x 100 = 47.23%