82.98% is the change from 523 to 957
Calculation steps:
[( 957 - 523 ) ÷ 523] x 100 = 82.98%
Formula
Percentage change = [(957 - 523) / 523] x 100
Subtract the new number by the original number
957 - 523 = 434
434 ÷ 523 = 0.8298279158699808
0.8298279158699808 x 100 = 82.98%