-73.52% is the change from 593 to 157
Calculation steps:
[( 157 - 593 ) ÷ 593] x 100 = -73.52%
Formula
Percentage change = [(157 - 593) / 593] x 100
Subtract the new number by the original number
157 - 593 = -436
-436 ÷ 593 = -0.7352445193929174
-0.7352445193929174 x 100 = -73.52%