-31.64% is the change from 670 to 458
Calculation steps:
[( 458 - 670 ) ÷ 670] x 100 = -31.64%
Formula
Percentage change = [(458 - 670) / 670] x 100
Subtract the new number by the original number
458 - 670 = -212
-212 ÷ 670 = -0.3164179104477612
-0.3164179104477612 x 100 = -31.64%