-10.64% is the change from 667 to 596
Calculation steps:
[( 596 - 667 ) ÷ 667] x 100 = -10.64%
Formula
Percentage change = [(596 - 667) / 667] x 100
Subtract the new number by the original number
596 - 667 = -71
-71 ÷ 667 = -0.10644677661169415
-0.10644677661169415 x 100 = -10.64%