948.44% is the change from 64 to 671
Calculation steps:
[( 671 - 64 ) ÷ 64] x 100 = 948.44%
Formula
Percentage change = [(671 - 64) / 64] x 100
Subtract the new number by the original number
671 - 64 = 607
607 ÷ 64 = 9.484375
9.484375 x 100 = 948.44%