-4.99% is the change from 661 to 628
Calculation steps:
[( 628 - 661 ) ÷ 661] x 100 = -4.99%
Formula
Percentage change = [(628 - 661) / 661] x 100
Subtract the new number by the original number
628 - 661 = -33
-33 ÷ 661 = -0.049924357034795766
-0.049924357034795766 x 100 = -4.99%