-27.14% is the change from 689 to 502
Calculation steps:
[( 502 - 689 ) ÷ 689] x 100 = -27.14%
Formula
Percentage change = [(502 - 689) / 689] x 100
Subtract the new number by the original number
502 - 689 = -187
-187 ÷ 689 = -0.2714078374455733
-0.2714078374455733 x 100 = -27.14%