35.64% is the change from 721 to 978
Calculation steps:
[( 978 - 721 ) ÷ 721] x 100 = 35.64%
Formula
Percentage change = [(978 - 721) / 721] x 100
Subtract the new number by the original number
978 - 721 = 257
257 ÷ 721 = 0.3564493758668516
0.3564493758668516 x 100 = 35.64%