-78.92% is the change from 688 to 145
Calculation steps:
[( 145 - 688 ) ÷ 688] x 100 = -78.92%
Formula
Percentage change = [(145 - 688) / 688] x 100
Subtract the new number by the original number
145 - 688 = -543
-543 ÷ 688 = -0.7892441860465116
-0.7892441860465116 x 100 = -78.92%