-1.06% is the change from 661 to 654
Calculation steps:
[( 654 - 661 ) ÷ 661] x 100 = -1.06%
Formula
Percentage change = [(654 - 661) / 661] x 100
Subtract the new number by the original number
654 - 661 = -7
-7 ÷ 661 = -0.01059001512859304
-0.01059001512859304 x 100 = -1.06%