-19.34% is the change from 786 to 634
Calculation steps:
[( 634 - 786 ) ÷ 786] x 100 = -19.34%
Formula
Percentage change = [(634 - 786) / 786] x 100
Subtract the new number by the original number
634 - 786 = -152
-152 ÷ 786 = -0.19338422391857507
-0.19338422391857507 x 100 = -19.34%