69.15% is the change from 577 to 976
Calculation steps:
[( 976 - 577 ) ÷ 577] x 100 = 69.15%
Formula
Percentage change = [(976 - 577) / 577] x 100
Subtract the new number by the original number
976 - 577 = 399
399 ÷ 577 = 0.6915077989601387
0.6915077989601387 x 100 = 69.15%