-78.38% is the change from 296 to 64
Calculation steps:
[( 64 - 296 ) ÷ 296] x 100 = -78.38%
Formula
Percentage change = [(64 - 296) / 296] x 100
Subtract the new number by the original number
64 - 296 = -232
-232 ÷ 296 = -0.7837837837837838
-0.7837837837837838 x 100 = -78.38%