-9.53% is the change from 661 to 598
Calculation steps:
[( 598 - 661 ) ÷ 661] x 100 = -9.53%
Formula
Percentage change = [(598 - 661) / 661] x 100
Subtract the new number by the original number
598 - 661 = -63
-63 ÷ 661 = -0.09531013615733737
-0.09531013615733737 x 100 = -9.53%