115.2% is the change from 454 to 977
Calculation steps:
[( 977 - 454 ) ÷ 454] x 100 = 115.2%
Formula
Percentage change = [(977 - 454) / 454] x 100
Subtract the new number by the original number
977 - 454 = 523
523 ÷ 454 = 1.1519823788546255
1.1519823788546255 x 100 = 115.2%