-93.41% is the change from 683 to 45
Calculation steps:
[( 45 - 683 ) ÷ 683] x 100 = -93.41%
Formula
Percentage change = [(45 - 683) / 683] x 100
Subtract the new number by the original number
45 - 683 = -638
-638 ÷ 683 = -0.9341142020497804
-0.9341142020497804 x 100 = -93.41%