132.62% is the change from 420 to 977
Calculation steps:
[( 977 - 420 ) ÷ 420] x 100 = 132.62%
Formula
Percentage change = [(977 - 420) / 420] x 100
Subtract the new number by the original number
977 - 420 = 557
557 ÷ 420 = 1.3261904761904761
1.3261904761904761 x 100 = 132.62%