-77.66% is the change from 667 to 149
Calculation steps:
[( 149 - 667 ) ÷ 667] x 100 = -77.66%
Formula
Percentage change = [(149 - 667) / 667] x 100
Subtract the new number by the original number
149 - 667 = -518
-518 ÷ 667 = -0.7766116941529235
-0.7766116941529235 x 100 = -77.66%