66.98% is the change from 421 to 703
Calculation steps:
[( 703 - 421 ) ÷ 421] x 100 = 66.98%
Formula
Percentage change = [(703 - 421) / 421] x 100
Subtract the new number by the original number
703 - 421 = 282
282 ÷ 421 = 0.669833729216152
0.669833729216152 x 100 = 66.98%