-60.19% is the change from 648 to 258
Calculation steps:
[( 258 - 648 ) ÷ 648] x 100 = -60.19%
Formula
Percentage change = [(258 - 648) / 648] x 100
Subtract the new number by the original number
258 - 648 = -390
-390 ÷ 648 = -0.6018518518518519
-0.6018518518518519 x 100 = -60.19%