660.94% is the change from 64 to 487
Calculation steps:
[( 487 - 64 ) ÷ 64] x 100 = 660.94%
Formula
Percentage change = [(487 - 64) / 64] x 100
Subtract the new number by the original number
487 - 64 = 423
423 ÷ 64 = 6.609375
6.609375 x 100 = 660.94%