-30.96% is the change from 688 to 475
Calculation steps:
[( 475 - 688 ) ÷ 688] x 100 = -30.96%
Formula
Percentage change = [(475 - 688) / 688] x 100
Subtract the new number by the original number
475 - 688 = -213
-213 ÷ 688 = -0.30959302325581395
-0.30959302325581395 x 100 = -30.96%