84.21% is the change from 513 to 945
Calculation steps:
[( 945 - 513 ) ÷ 513] x 100 = 84.21%
Formula
Percentage change = [(945 - 513) / 513] x 100
Subtract the new number by the original number
945 - 513 = 432
432 ÷ 513 = 0.8421052631578947
0.8421052631578947 x 100 = 84.21%