-31.19% is the change from 670 to 461
Calculation steps:
[( 461 - 670 ) ÷ 670] x 100 = -31.19%
Formula
Percentage change = [(461 - 670) / 670] x 100
Subtract the new number by the original number
461 - 670 = -209
-209 ÷ 670 = -0.3119402985074627
-0.3119402985074627 x 100 = -31.19%