-37.11% is the change from 671 to 422
Calculation steps:
[( 422 - 671 ) ÷ 671] x 100 = -37.11%
Formula
Percentage change = [(422 - 671) / 671] x 100
Subtract the new number by the original number
422 - 671 = -249
-249 ÷ 671 = -0.3710879284649776
-0.3710879284649776 x 100 = -37.11%