-17.98% is the change from 773 to 634
Calculation steps:
[( 634 - 773 ) ÷ 773] x 100 = -17.98%
Formula
Percentage change = [(634 - 773) / 773] x 100
Subtract the new number by the original number
634 - 773 = -139
-139 ÷ 773 = -0.17981888745148772
-0.17981888745148772 x 100 = -17.98%