73.14% is the change from 577 to 999
Calculation steps:
[( 999 - 577 ) ÷ 577] x 100 = 73.14%
Formula
Percentage change = [(999 - 577) / 577] x 100
Subtract the new number by the original number
999 - 577 = 422
422 ÷ 577 = 0.7313691507798961
0.7313691507798961 x 100 = 73.14%