-4.78% is the change from 690 to 657
Calculation steps:
[( 657 - 690 ) ÷ 690] x 100 = -4.78%
Formula
Percentage change = [(657 - 690) / 690] x 100
Subtract the new number by the original number
657 - 690 = -33
-33 ÷ 690 = -0.04782608695652174
-0.04782608695652174 x 100 = -4.78%