-77.33% is the change from 450 to 102
Calculation steps:
[( 102 - 450 ) ÷ 450] x 100 = -77.33%
Formula
Percentage change = [(102 - 450) / 450] x 100
Subtract the new number by the original number
102 - 450 = -348
-348 ÷ 450 = -0.7733333333333333
-0.7733333333333333 x 100 = -77.33%