-78.77% is the change from 683 to 145
Calculation steps:
[( 145 - 683 ) ÷ 683] x 100 = -78.77%
Formula
Percentage change = [(145 - 683) / 683] x 100
Subtract the new number by the original number
145 - 683 = -538
-538 ÷ 683 = -0.787701317715959
-0.787701317715959 x 100 = -78.77%