-93.87% is the change from 555 to 34
Calculation steps:
[( 34 - 555 ) ÷ 555] x 100 = -93.87%
Formula
Percentage change = [(34 - 555) / 555] x 100
Subtract the new number by the original number
34 - 555 = -521
-521 ÷ 555 = -0.9387387387387387
-0.9387387387387387 x 100 = -93.87%