-78.81% is the change from 302 to 64
Calculation steps:
[( 64 - 302 ) ÷ 302] x 100 = -78.81%
Formula
Percentage change = [(64 - 302) / 302] x 100
Subtract the new number by the original number
64 - 302 = -238
-238 ÷ 302 = -0.7880794701986755
-0.7880794701986755 x 100 = -78.81%