-30.47% is the change from 932 to 648
Calculation steps:
[( 648 - 932 ) ÷ 932] x 100 = -30.47%
Formula
Percentage change = [(648 - 932) / 932] x 100
Subtract the new number by the original number
648 - 932 = -284
-284 ÷ 932 = -0.30472103004291845
-0.30472103004291845 x 100 = -30.47%