-50.08% is the change from 625 to 312
Calculation steps:
[( 312 - 625 ) ÷ 625] x 100 = -50.08%
Formula
Percentage change = [(312 - 625) / 625] x 100
Subtract the new number by the original number
312 - 625 = -313
-313 ÷ 625 = -0.5008
-0.5008 x 100 = -50.08%