-18.67% is the change from 648 to 527
Calculation steps:
[( 527 - 648 ) ÷ 648] x 100 = -18.67%
Formula
Percentage change = [(527 - 648) / 648] x 100
Subtract the new number by the original number
527 - 648 = -121
-121 ÷ 648 = -0.1867283950617284
-0.1867283950617284 x 100 = -18.67%