-88.95% is the change from 688 to 76
Calculation steps:
[( 76 - 688 ) ÷ 688] x 100 = -88.95%
Formula
Percentage change = [(76 - 688) / 688] x 100
Subtract the new number by the original number
76 - 688 = -612
-612 ÷ 688 = -0.8895348837209303
-0.8895348837209303 x 100 = -88.95%