-63.77% is the change from 690 to 250
Calculation steps:
[( 250 - 690 ) ÷ 690] x 100 = -63.77%
Formula
Percentage change = [(250 - 690) / 690] x 100
Subtract the new number by the original number
250 - 690 = -440
-440 ÷ 690 = -0.6376811594202898
-0.6376811594202898 x 100 = -63.77%