-41.42% is the change from 688 to 403
Calculation steps:
[( 403 - 688 ) ÷ 688] x 100 = -41.42%
Formula
Percentage change = [(403 - 688) / 688] x 100
Subtract the new number by the original number
403 - 688 = -285
-285 ÷ 688 = -0.41424418604651164
-0.41424418604651164 x 100 = -41.42%