-5.67% is the change from 670 to 632
Calculation steps:
[( 632 - 670 ) ÷ 670] x 100 = -5.67%
Formula
Percentage change = [(632 - 670) / 670] x 100
Subtract the new number by the original number
632 - 670 = -38
-38 ÷ 670 = -0.056716417910447764
-0.056716417910447764 x 100 = -5.67%