-41.15% is the change from 661 to 389
Calculation steps:
[( 389 - 661 ) ÷ 661] x 100 = -41.15%
Formula
Percentage change = [(389 - 661) / 661] x 100
Subtract the new number by the original number
389 - 661 = -272
-272 ÷ 661 = -0.4114977307110439
-0.4114977307110439 x 100 = -41.15%