-17.21% is the change from 767 to 635
Calculation steps:
[( 635 - 767 ) ÷ 767] x 100 = -17.21%
Formula
Percentage change = [(635 - 767) / 767] x 100
Subtract the new number by the original number
635 - 767 = -132
-132 ÷ 767 = -0.17209908735332463
-0.17209908735332463 x 100 = -17.21%