-25.57% is the change from 661 to 492
Calculation steps:
[( 492 - 661 ) ÷ 661] x 100 = -25.57%
Formula
Percentage change = [(492 - 661) / 661] x 100
Subtract the new number by the original number
492 - 661 = -169
-169 ÷ 661 = -0.2556732223903177
-0.2556732223903177 x 100 = -25.57%