-78.57% is the change from 462 to 99
Calculation steps:
[( 99 - 462 ) ÷ 462] x 100 = -78.57%
Formula
Percentage change = [(99 - 462) / 462] x 100
Subtract the new number by the original number
99 - 462 = -363
-363 ÷ 462 = -0.7857142857142857
-0.7857142857142857 x 100 = -78.57%