-37.46% is the change from 670 to 419
Calculation steps:
[( 419 - 670 ) ÷ 670] x 100 = -37.46%
Formula
Percentage change = [(419 - 670) / 670] x 100
Subtract the new number by the original number
419 - 670 = -251
-251 ÷ 670 = -0.3746268656716418
-0.3746268656716418 x 100 = -37.46%