-81.46% is the change from 302 to 56
Calculation steps:
[( 56 - 302 ) ÷ 302] x 100 = -81.46%
Formula
Percentage change = [(56 - 302) / 302] x 100
Subtract the new number by the original number
56 - 302 = -246
-246 ÷ 302 = -0.8145695364238411
-0.8145695364238411 x 100 = -81.46%