-95.07% is the change from 690 to 34
Calculation steps:
[( 34 - 690 ) ÷ 690] x 100 = -95.07%
Formula
Percentage change = [(34 - 690) / 690] x 100
Subtract the new number by the original number
34 - 690 = -656
-656 ÷ 690 = -0.9507246376811594
-0.9507246376811594 x 100 = -95.07%