-21.15% is the change from 766 to 604
Calculation steps:
[( 604 - 766 ) ÷ 766] x 100 = -21.15%
Formula
Percentage change = [(604 - 766) / 766] x 100
Subtract the new number by the original number
604 - 766 = -162
-162 ÷ 766 = -0.21148825065274152
-0.21148825065274152 x 100 = -21.15%