-12.93% is the change from 735 to 640
Calculation steps:
[( 640 - 735 ) ÷ 735] x 100 = -12.93%
Formula
Percentage change = [(640 - 735) / 735] x 100
Subtract the new number by the original number
640 - 735 = -95
-95 ÷ 735 = -0.1292517006802721
-0.1292517006802721 x 100 = -12.93%