-91.75% is the change from 630 to 52
Calculation steps:
[( 52 - 630 ) ÷ 630] x 100 = -91.75%
Formula
Percentage change = [(52 - 630) / 630] x 100
Subtract the new number by the original number
52 - 630 = -578
-578 ÷ 630 = -0.9174603174603174
-0.9174603174603174 x 100 = -91.75%