-71.96% is the change from 667 to 187
Calculation steps:
[( 187 - 667 ) ÷ 667] x 100 = -71.96%
Formula
Percentage change = [(187 - 667) / 667] x 100
Subtract the new number by the original number
187 - 667 = -480
-480 ÷ 667 = -0.719640179910045
-0.719640179910045 x 100 = -71.96%