-78.11% is the change from 667 to 146
Calculation steps:
[( 146 - 667 ) ÷ 667] x 100 = -78.11%
Formula
Percentage change = [(146 - 667) / 667] x 100
Subtract the new number by the original number
146 - 667 = -521
-521 ÷ 667 = -0.7811094452773614
-0.7811094452773614 x 100 = -78.11%