-24.64% is the change from 690 to 520
Calculation steps:
[( 520 - 690 ) ÷ 690] x 100 = -24.64%
Formula
Percentage change = [(520 - 690) / 690] x 100
Subtract the new number by the original number
520 - 690 = -170
-170 ÷ 690 = -0.2463768115942029
-0.2463768115942029 x 100 = -24.64%