-64.2% is the change from 690 to 247
Calculation steps:
[( 247 - 690 ) ÷ 690] x 100 = -64.2%
Formula
Percentage change = [(247 - 690) / 690] x 100
Subtract the new number by the original number
247 - 690 = -443
-443 ÷ 690 = -0.6420289855072464
-0.6420289855072464 x 100 = -64.2%