-76.08% is the change from 648 to 155
Calculation steps:
[( 155 - 648 ) ÷ 648] x 100 = -76.08%
Formula
Percentage change = [(155 - 648) / 648] x 100
Subtract the new number by the original number
155 - 648 = -493
-493 ÷ 648 = -0.7608024691358025
-0.7608024691358025 x 100 = -76.08%