-63.58% is the change from 648 to 236
Calculation steps:
[( 236 - 648 ) ÷ 648] x 100 = -63.58%
Formula
Percentage change = [(236 - 648) / 648] x 100
Subtract the new number by the original number
236 - 648 = -412
-412 ÷ 648 = -0.6358024691358025
-0.6358024691358025 x 100 = -63.58%