87% is the change from 454 to 849
Calculation steps:
[( 849 - 454 ) ÷ 454] x 100 = 87%
Formula
Percentage change = [(849 - 454) / 454] x 100
Subtract the new number by the original number
849 - 454 = 395
395 ÷ 454 = 0.8700440528634361
0.8700440528634361 x 100 = 87%