-22.21% is the change from 671 to 522
Calculation steps:
[( 522 - 671 ) ÷ 671] x 100 = -22.21%
Formula
Percentage change = [(522 - 671) / 671] x 100
Subtract the new number by the original number
522 - 671 = -149
-149 ÷ 671 = -0.22205663189269748
-0.22205663189269748 x 100 = -22.21%