67.63% is the change from 519 to 870
Calculation steps:
[( 870 - 519 ) ÷ 519] x 100 = 67.63%
Formula
Percentage change = [(870 - 519) / 519] x 100
Subtract the new number by the original number
870 - 519 = 351
351 ÷ 519 = 0.6763005780346821
0.6763005780346821 x 100 = 67.63%