100.62% is the change from 487 to 977
Calculation steps:
[( 977 - 487 ) ÷ 487] x 100 = 100.62%
Formula
Percentage change = [(977 - 487) / 487] x 100
Subtract the new number by the original number
977 - 487 = 490
490 ÷ 487 = 1.0061601642710472
1.0061601642710472 x 100 = 100.62%