130.4% is the change from 421 to 970
Calculation steps:
[( 970 - 421 ) ÷ 421] x 100 = 130.4%
Formula
Percentage change = [(970 - 421) / 421] x 100
Subtract the new number by the original number
970 - 421 = 549
549 ÷ 421 = 1.3040380047505937
1.3040380047505937 x 100 = 130.4%