-30.5% is the change from 859 to 597
Calculation steps:
[( 597 - 859 ) ÷ 859] x 100 = -30.5%
Formula
Percentage change = [(597 - 859) / 859] x 100
Subtract the new number by the original number
597 - 859 = -262
-262 ÷ 859 = -0.3050058207217695
-0.3050058207217695 x 100 = -30.5%