-35.55% is the change from 661 to 426
Calculation steps:
[( 426 - 661 ) ÷ 661] x 100 = -35.55%
Formula
Percentage change = [(426 - 661) / 661] x 100
Subtract the new number by the original number
426 - 661 = -235
-235 ÷ 661 = -0.3555219364599092
-0.3555219364599092 x 100 = -35.55%