-78.95% is the change from 304 to 64
Calculation steps:
[( 64 - 304 ) ÷ 304] x 100 = -78.95%
Formula
Percentage change = [(64 - 304) / 304] x 100
Subtract the new number by the original number
64 - 304 = -240
-240 ÷ 304 = -0.7894736842105263
-0.7894736842105263 x 100 = -78.95%