-26.31% is the change from 707 to 521
Calculation steps:
[( 521 - 707 ) ÷ 707] x 100 = -26.31%
Formula
Percentage change = [(521 - 707) / 707] x 100
Subtract the new number by the original number
521 - 707 = -186
-186 ÷ 707 = -0.26308345120226306
-0.26308345120226306 x 100 = -26.31%