84.39% is the change from 519 to 957
Calculation steps:
[( 957 - 519 ) ÷ 519] x 100 = 84.39%
Formula
Percentage change = [(957 - 519) / 519] x 100
Subtract the new number by the original number
957 - 519 = 438
438 ÷ 519 = 0.8439306358381503
0.8439306358381503 x 100 = 84.39%