-20% is the change from 755 to 604
Calculation steps:
[( 604 - 755 ) ÷ 755] x 100 = -20%
Formula
Percentage change = [(604 - 755) / 755] x 100
Subtract the new number by the original number
604 - 755 = -151
-151 ÷ 755 = -0.2
-0.2 x 100 = -20%
Example