-83.26% is the change from 454 to 76
Calculation steps:
[( 76 - 454 ) ÷ 454] x 100 = -83.26%
Formula
Percentage change = [(76 - 454) / 454] x 100
Subtract the new number by the original number
76 - 454 = -378
-378 ÷ 454 = -0.8325991189427313
-0.8325991189427313 x 100 = -83.26%