-96.88% is the change from 64 to 2
Calculation steps:
[( 2 - 64 ) ÷ 64] x 100 = -96.88%
Formula
Percentage change = [(2 - 64) / 64] x 100
Subtract the new number by the original number
2 - 64 = -62
-62 ÷ 64 = -0.96875
-0.96875 x 100 = -96.88%
Example