-2.78% is the change from 756 to 735
Calculation steps:
[( 735 - 756 ) ÷ 756] x 100 = -2.78%
Formula
Percentage change = [(735 - 756) / 756] x 100
Subtract the new number by the original number
735 - 756 = -21
-21 ÷ 756 = -0.027777777777777776
-0.027777777777777776 x 100 = -2.78%