-30.27% is the change from 948 to 661
Calculation steps:
[( 661 - 948 ) ÷ 948] x 100 = -30.27%
Formula
Percentage change = [(661 - 948) / 948] x 100
Subtract the new number by the original number
661 - 948 = -287
-287 ÷ 948 = -0.3027426160337553
-0.3027426160337553 x 100 = -30.27%