-79.17% is the change from 648 to 135
Calculation steps:
[( 135 - 648 ) ÷ 648] x 100 = -79.17%
Formula
Percentage change = [(135 - 648) / 648] x 100
Subtract the new number by the original number
135 - 648 = -513
-513 ÷ 648 = -0.7916666666666666
-0.7916666666666666 x 100 = -79.17%