-30.22% is the change from 910 to 635
Calculation steps:
[( 635 - 910 ) ÷ 910] x 100 = -30.22%
Formula
Percentage change = [(635 - 910) / 910] x 100
Subtract the new number by the original number
635 - 910 = -275
-275 ÷ 910 = -0.3021978021978022
-0.3021978021978022 x 100 = -30.22%