-88.17% is the change from 634 to 75
Calculation steps:
[( 75 - 634 ) ÷ 634] x 100 = -88.17%
Formula
Percentage change = [(75 - 634) / 634] x 100
Subtract the new number by the original number
75 - 634 = -559
-559 ÷ 634 = -0.8817034700315457
-0.8817034700315457 x 100 = -88.17%