69.9% is the change from 485 to 824
Calculation steps:
[( 824 - 485 ) ÷ 485] x 100 = 69.9%
Formula
Percentage change = [(824 - 485) / 485] x 100
Subtract the new number by the original number
824 - 485 = 339
339 ÷ 485 = 0.6989690721649484
0.6989690721649484 x 100 = 69.9%