-68.15% is the change from 675 to 215
Calculation steps:
[( 215 - 675 ) ÷ 675] x 100 = -68.15%
Formula
Percentage change = [(215 - 675) / 675] x 100
Subtract the new number by the original number
215 - 675 = -460
-460 ÷ 675 = -0.6814814814814815
-0.6814814814814815 x 100 = -68.15%