-17.46% is the change from 670 to 553
Calculation steps:
[( 553 - 670 ) ÷ 670] x 100 = -17.46%
Formula
Percentage change = [(553 - 670) / 670] x 100
Subtract the new number by the original number
553 - 670 = -117
-117 ÷ 670 = -0.1746268656716418
-0.1746268656716418 x 100 = -17.46%