132.86% is the change from 420 to 978
Calculation steps:
[( 978 - 420 ) ÷ 420] x 100 = 132.86%
Formula
Percentage change = [(978 - 420) / 420] x 100
Subtract the new number by the original number
978 - 420 = 558
558 ÷ 420 = 1.3285714285714285
1.3285714285714285 x 100 = 132.86%