-68.01% is the change from 597 to 191
Calculation steps:
[( 191 - 597 ) ÷ 597] x 100 = -68.01%
Formula
Percentage change = [(191 - 597) / 597] x 100
Subtract the new number by the original number
191 - 597 = -406
-406 ÷ 597 = -0.6800670016750419
-0.6800670016750419 x 100 = -68.01%