-80.4% is the change from 597 to 117
Calculation steps:
[( 117 - 597 ) ÷ 597] x 100 = -80.4%
Formula
Percentage change = [(117 - 597) / 597] x 100
Subtract the new number by the original number
117 - 597 = -480
-480 ÷ 597 = -0.8040201005025126
-0.8040201005025126 x 100 = -80.4%