-41.6% is the change from 661 to 386
Calculation steps:
[( 386 - 661 ) ÷ 661] x 100 = -41.6%
Formula
Percentage change = [(386 - 661) / 661] x 100
Subtract the new number by the original number
386 - 661 = -275
-275 ÷ 661 = -0.41603630862329805
-0.41603630862329805 x 100 = -41.6%