-65.6% is the change from 625 to 215
Calculation steps:
[( 215 - 625 ) ÷ 625] x 100 = -65.6%
Formula
Percentage change = [(215 - 625) / 625] x 100
Subtract the new number by the original number
215 - 625 = -410
-410 ÷ 625 = -0.656
-0.656 x 100 = -65.6%