-78.89% is the change from 668 to 141
Calculation steps:
[( 141 - 668 ) ÷ 668] x 100 = -78.89%
Formula
Percentage change = [(141 - 668) / 668] x 100
Subtract the new number by the original number
141 - 668 = -527
-527 ÷ 668 = -0.7889221556886228
-0.7889221556886228 x 100 = -78.89%