-78.71% is the change from 667 to 142
Calculation steps:
[( 142 - 667 ) ÷ 667] x 100 = -78.71%
Formula
Percentage change = [(142 - 667) / 667] x 100
Subtract the new number by the original number
142 - 667 = -525
-525 ÷ 667 = -0.7871064467766117
-0.7871064467766117 x 100 = -78.71%