-55.52% is the change from 670 to 298
Calculation steps:
[( 298 - 670 ) ÷ 670] x 100 = -55.52%
Formula
Percentage change = [(298 - 670) / 670] x 100
Subtract the new number by the original number
298 - 670 = -372
-372 ÷ 670 = -0.5552238805970149
-0.5552238805970149 x 100 = -55.52%