-78.96% is the change from 689 to 145
Calculation steps:
[( 145 - 689 ) ÷ 689] x 100 = -78.96%
Formula
Percentage change = [(145 - 689) / 689] x 100
Subtract the new number by the original number
145 - 689 = -544
-544 ÷ 689 = -0.7895500725689405
-0.7895500725689405 x 100 = -78.96%