-30.49% is the change from 951 to 661
Calculation steps:
[( 661 - 951 ) ÷ 951] x 100 = -30.49%
Formula
Percentage change = [(661 - 951) / 951] x 100
Subtract the new number by the original number
661 - 951 = -290
-290 ÷ 951 = -0.3049421661409043
-0.3049421661409043 x 100 = -30.49%