-46.44% is the change from 661 to 354
Calculation steps:
[( 354 - 661 ) ÷ 661] x 100 = -46.44%
Formula
Percentage change = [(354 - 661) / 661] x 100
Subtract the new number by the original number
354 - 661 = -307
-307 ÷ 661 = -0.46444780635400906
-0.46444780635400906 x 100 = -46.44%