-65.76% is the change from 628 to 215
Calculation steps:
[( 215 - 628 ) ÷ 628] x 100 = -65.76%
Formula
Percentage change = [(215 - 628) / 628] x 100
Subtract the new number by the original number
215 - 628 = -413
-413 ÷ 628 = -0.6576433121019108
-0.6576433121019108 x 100 = -65.76%