-72.38% is the change from 688 to 190
Calculation steps:
[( 190 - 688 ) ÷ 688] x 100 = -72.38%
Formula
Percentage change = [(190 - 688) / 688] x 100
Subtract the new number by the original number
190 - 688 = -498
-498 ÷ 688 = -0.7238372093023255
-0.7238372093023255 x 100 = -72.38%