34.54% is the change from 721 to 970
Calculation steps:
[( 970 - 721 ) ÷ 721] x 100 = 34.54%
Formula
Percentage change = [(970 - 721) / 721] x 100
Subtract the new number by the original number
970 - 721 = 249
249 ÷ 721 = 0.34535367545076284
0.34535367545076284 x 100 = 34.54%