-66.23% is the change from 302 to 102
Calculation steps:
[( 102 - 302 ) ÷ 302] x 100 = -66.23%
Formula
Percentage change = [(102 - 302) / 302] x 100
Subtract the new number by the original number
102 - 302 = -200
-200 ÷ 302 = -0.6622516556291391
-0.6622516556291391 x 100 = -66.23%