1423.44% is the change from 64 to 975
Calculation steps:
[( 975 - 64 ) ÷ 64] x 100 = 1423.44%
Formula
Percentage change = [(975 - 64) / 64] x 100
Subtract the new number by the original number
975 - 64 = 911
911 ÷ 64 = 14.234375
14.234375 x 100 = 1423.44%