-69.93% is the change from 735 to 221
Calculation steps:
[( 221 - 735 ) ÷ 735] x 100 = -69.93%
Formula
Percentage change = [(221 - 735) / 735] x 100
Subtract the new number by the original number
221 - 735 = -514
-514 ÷ 735 = -0.6993197278911565
-0.6993197278911565 x 100 = -69.93%