-64.17% is the change from 963 to 345
Calculation steps:
[( 345 - 963 ) ÷ 963] x 100 = -64.17%
Formula
Percentage change = [(345 - 963) / 963] x 100
Subtract the new number by the original number
345 - 963 = -618
-618 ÷ 963 = -0.6417445482866043
-0.6417445482866043 x 100 = -64.17%