-84.41% is the change from 648 to 101
Calculation steps:
[( 101 - 648 ) ÷ 648] x 100 = -84.41%
Formula
Percentage change = [(101 - 648) / 648] x 100
Subtract the new number by the original number
101 - 648 = -547
-547 ÷ 648 = -0.8441358024691358
-0.8441358024691358 x 100 = -84.41%