-67.5% is the change from 597 to 194
Calculation steps:
[( 194 - 597 ) ÷ 597] x 100 = -67.5%
Formula
Percentage change = [(194 - 597) / 597] x 100
Subtract the new number by the original number
194 - 597 = -403
-403 ÷ 597 = -0.6750418760469011
-0.6750418760469011 x 100 = -67.5%